Question 1021426


{{{10x^2 + 23x + 12}}}

{{{10x^2 +15x+ 8x + 12}}}

{{{(10x^2 +15x)+ (8x + 12)}}}

{{{5x(2x +3)+ 4(2x + 3)}}}

{{{(2x+3)(5x+4)}}}