How do you factor the expression 30x2+35x+10?

1 Answer
Mar 28, 2018

5(3x+2)(2x+1)

Explanation:

5(6x2+7x+2) factor out GCF, 5
5(6x2+3x+4x+2) find two integers that ADD to 7, MULTIPLY to 12 (62).
5[3x(2x+1)+2(2x+1)] group together the first two and last two and factor out common factor
5(3x+2)(2x+1)