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Factorize: (i) 7(2x + 5) + 3 (2x + 5) (ii) 12x^3y^4 + 16x^2y^5 – 4x^5y^2

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Factorize:

(i) 7(2x + 5) + 3 (2x + 5)

(ii) 12x3y4 + 16x2y5 – 4x5y2

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2 Answers

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(i) 7(2x + 5) + 3 (2x + 5)

= (2x + 5) (7 + 3)

(ii) 12x3y4 + 16x2y5 – 4x5y2

= 4x2y2 (3xy2 + 4y3 – x3)

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(I)  7(2x + 5) + 3(2x + 5)

= (7 + 3) (2x + 5)

(II) 12 x3y4  + 16 x2y5 - 4 x5y2

= 4 x2y2 (4xy2 + 4y3 - x3)

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