Question

Factorise 12a²b + 15ab²

Answer 1

Answer:

$\huge\fcolorbox{blue}{pink}{☃αղsաҽɾ☃}$

$\huge \underline \bold \pink{Solution \: :) }$

$\bold{we \: have \: to \: factorise} \: 12 {a}^{2} b \: + 15 {ab}^{2} \\ 12 {a}^{2} b + 15 {ab}^{2} = 3ab(4a +5 b)$