Question

$explain the formula[tex]\ \textless \ br /\ \textgreater \ \ \textless \ br /\ \textgreater \ [tex](x+a)(x+b)$​

Answer 1

Answer:

(x+a)(x+b) is equal to x^2+xb+ax+ab= x^2 +x(b+a) +ab or = x^2 +b(x+a) +ax.