Question

(v) 25a2 – 70ab + 49b2 factorize​

Answer 1

Step-by-step explanation:

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

$25 {a}^{2} - 35ab - 35ab + 49 {b}^{2}$

$5a(5a - 7b) - 7b(5a - 7b)$

$(5a - 7b)(5a - 7b)$

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Answer 2

Step-by-step explanation:

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

(5a)^2 - 2*5a*7b + (7b)^2

(5a + 7b)^2

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

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