First take out the common factor 2:
2(4x²+16x+7)
Inspired from 4 of 4x², try:
2(2x&plummn;7)(2x±1)
we figure out that a plus sign in both factor would work to give:
2(2x+7)(2x+1)
factoring quadratic expressions
8x^2+32x+14
2 answers
Can you help me in factoring polynomials using GCF?