Question

factories : x²+14x +49​

Answer 1

Answer:

x²+14x +49​

=x²+7x+7x+49

=x(x+7)+7(x+7)

=(x+7)(x+7)

=(x+7)²

Answer 2

${\tt{\red{\underline{\underline{\huge{Question:}}}}}}$

Factories : x²+14x +49

${\tt{\red{\underline{\underline{\huge{Answer:}}}}}}$

$\longrightarrow$x²+(7+7)+49

$\longrightarrow$x²+7x+7x+49

$\longrightarrow$x(x+7)+7(x+7)

$\longrightarrow$(x+7)(x+7)

$\longrightarrow$(x+7)²