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Simplify each of the expressions: 15 a^2...

Simplify each of the expressions: `15 a^2-6a(a-2)+a(3+7a)`

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RD SHARMA ENGLISH-ALGEBRAIC EXPRESSIONS AND IDENTITIES-All Questions
  1. Subtract: 3l\ (l-4m+5n) from 4l(10 n-3m+2l)

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  2. Subtract: 3a\ (a+b+c)-2b(a-b+c) from\ 4c(-a+b+c)

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  3. Simplify each of the expressions: 15 a^2-6a(a-2)+a(3+7a)

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  4. Simplify the following expression: x^2(1-3y^2)+x(x y^2-2x)-3y(y-4x^2y)

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  5. Simplify each of the following expressions: 4s t\ (s-t)-6s^2(t-t^2)-3t...

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  6. Find the following products: 2a^3(3a+5b) (ii) -11 a(3a+2b) (iii)-5a...

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  7. Find the following products: (6x)/5(x^3+y^3) (ii) x y(x^3-y^3) ...

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  8. Find the following products: (i) 4/(27)x y z\ (9/2x^2y z-3/4x y z^2) ...

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  9. Find the following products: (i) 7/5x^2y(3/5x y^2+2/5x) (ii)4/3a(a^...

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  10. Find the product 24 x^2(1-2x) and evaluate its value for x =3.

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  11. Find the product \ 3y(x y+y^2) and find its value for x=4\ a n d\ y=5.

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  12. Multiply -3/2x^2y^2\ by\ (2x-y) and verify the answer for x=1\ and\ ...

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  13. Multiply the monomial by the binomial and find the value of each for...

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  14. Simplify: 2x^2(x^3-x)-3x(x^4+2x)-2(x^4-3x^2)

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  15. Simplify: x^3y(x^2-2x)+2x y(x^3-x^4)

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  16. Simplify: 3a^2+2(a+2)-3a(2a+1)

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  17. Simplify: x(x+4)+3x(2x^2-1)+4x^2+4

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  18. Simplify: a(b-c)-b(c-a)-c(a-b)

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  19. Simplify: a(b-c)+b(c-a)+c(a-b)

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  20. Simplify: 4a b(a-b)-6a^2(b-b^2)-3b^2(2a^2-a)+2a b(b-a)

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