Question

(a+b)^2-11(a+b)-42 factored

Answer 1

Hello friend,

Let (a+b) be x.

${x}^{2} - 11x - 42 \\ = {x}^{2} - 14x + 3x - 42 \\ = x(x - 14) + 3(x - 14) \\ = (x - 14)(x + 3)$
Substituting value of x in equation.

$(a + b - 14)(a + b + 3)$