Question 870945
{{{20x^2+49x+30}}}
First find the product of 20*30: 600. Next find two factors of 600 that add up to 49. Those will be 24 and 25. Split the 49x into 24x+25x:
{{{20x^2+24x+25x+30}}}
Use parentheses
{{{(20x^2+24x)+(25x+30)}}}
Factor the terms
{{{4x(5x+6)+5(5x+6)}}}
Use the Converse of the Distributive Property
{{{(4x+5)(5x+6)}}}