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Use suitable identities of find the foll...

Use suitable identities of find the following products
`(x+8)(x-10)`

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The correct Answer is:
`X^(2)-2X-80`
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SUBHASH PUBLICATION-POLYNOMIALS-EXERCISE 4.5
  1. Use suitable identities of find the following products (x+4)(x+10)

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  2. Use suitable identities of find the following products (x+8)(x-10)

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  3. Use suitable identities of find the following products (3x+4)(3x-5)

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  4. Use suitable identities of find the following products (y^2+3/2)(y^2...

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  5. Use suitable identities of find the following products (3-2x)(3+2x)

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  6. Evaluate the following products without multiplying directly. 103xx1...

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  7. Evaluate the following products without multiplying directly. 95xx96

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  8. Evaluate the following products without multiplying directly. 104xx9...

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  9. Factrorise the following using appropriate identities. 9x^(2)+6xy+y^...

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  10. Factrorise the following using appropriate identities. 4y^(2)-4y+1

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  11. Factrorise the following using appropriate identities. x^(2)-(y^(2))...

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  12. Expand each of the following , using suitable identities. (x+2y+4z)...

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  13. Expand each of the following , using suitable identities. (2x-y+z)^...

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  14. Expand each of the following , using suitable identities. (-2x+3y+2z...

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  15. Expand each of the following , using suitable identities. (3a-7b-c)...

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  16. Expand each of the following , using suitable identities. (-2x+5y-3z...

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  17. Expand each of the following , using suitable identities. (a/4-b/2+...

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  18. Factorise : - 4x^(2) +9y^(2)+16z^(2)+12xy-24yz-16xz

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  19. Factorise : - 2x^(2)+y^(2)+8z^(2)-2sqrt(2)xy+4sqrt(2)yz-8xz

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  20. Write the following cubes in expanded form. (2x+1)^(3)

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