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Simplify (b ^(2) - 49) (b+7) + 343...

Simplify
`(b ^(2) - 49) (b+7) + 343`

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NCERT EXEMPLAR-ALGEBRAIC EXPRESSIONS, IDENTITIES AND FACTORISATION -EXERCISE
  1. Simplify (ab- c) ^(2) + 2 abc

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  2. Simplify (a - b) (a ^(2) + b ^(2) + ab) - (a +b) (a ^(2) +b ^(2) -...

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  3. Simplify (b ^(2) - 49) (b+7) + 343

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  4. Simplify ( 4.5 a + 1.5 b ) ^(2) + ( 4. 5b + 1. 5a ) ^(2)

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  5. Simplify (pq - qr) ^(2) + 4 pq ^(2) r

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  6. Simplify (s ^(2) t + t q ^(2)) ^(2) - ( 2 st q) ^(2)

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  7. Expand the using suitable identity. (xy + yz) ^(2)

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  8. Expand the using suitable identity. (x ^(2) y - xy ^(2)) ^(2)

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  9. Expand the using suitable identity. ((4)/(5) a + (5)/(4) b ) ^(2)

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  10. Expand using suitable identity: ((2)/(3) x -(3)/(2) y) ^(2)

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  11. Expand using suitable identity: ((4)/(5) p + (5)/(3) q ) ^(2)

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  12. Expand using suitable identity: (x + 3) (x + 7)

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  13. Expand using suitable identity: ( 2x + 9) ( 2x - 7)

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  14. Find the product of the following binomials; (a^2+b c)(a^2-b c) (ii)...

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  15. Expand the using suitable identity. ((2x)/(3) - (2a)/(3)) ((2x)/(3) ...

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  16. Expand the using suitable identitie. (2x + 5y) ( 2x - 5y)

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  17. Expand the using suitable identitie. ((2a)/( 3) + (b)/(3)) ((2a)/(3)...

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  18. Expand the using suitable identitie. (x ^(2) + y ^(2)) (x ^(2) - y ^...

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  19. Expand the using suitable identitie. (a ^(2) + b ^(2)) ^(2)

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  20. Expand the using suitable identity. (7x + 5) ^(2)

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