Question

factorise 49 (x+2) square+70(x+2)(y+2)+25 (y+2) square
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Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Ans:- Let (x + 2) = a and (y + 2) = b

= 49a^2 + 70ab + 25b^2

= (7a) ^2 + (5b) ^2 + 2×7a×5b

= (7a + 5b)^2 (by using formula (a + b) ^2 = a^2 + b^2 +2ab)

= {7(x + 2) +5(y + 2)}^2

= {7x + 14 + 5y + 10} ^2

= (7x + 24 + 5y) (7x + 24 + 5y) ans