Question 954613


{{{a^2 +7ab + 10b^2}}}....write {{{7ab}}} as {{{5ab+2ab}}}

{{{a^2+5ab+2ab+10b^2}}}...group

{{{(a^2+5ab)+(2ab+10b^2)}}}

{{{a(a+5b)+2b(a+5b)}}}

{{{(a+2b)(a+5b)}}}