Question

Factorise:

${49a}^{2} + 70ab + {25b}^{2}$
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Answer 1

$49 {a}^{2} + 70ab + {25b}^{2}$

${7a}^{2} + 70ab + {5b}^{2}$

${7a}^{2} + {5b}^{2}$

Answer 2

Answer:

a^2+b^2+2ab= (a+b)^2

=>. (7a)^2+(5b)^2

=> (7a+5b)^2

(7a+5b)(7a+5b)

hope it helps u

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