Question

factories a^2+2ab+b^2-16​

Answer 1

Answer:

a2 + 2ab + b2 - 16

(a + b )2 - (4) 2

assuming (a+b) as x and 4 as y ..and by using the identity (x+y)(x-y) = x2 - y2

[ (a+b) + 4 ] * [ (a+b) - 4 ]

so ( a+b+4)(a+b-4)

Hope that helps........!!!