Posted by traci on Wednesday, June 29, 2011 at 8:43pm.
Completely factor the following expression:100x2 â€“ 160xy + 64y2

Algebra  MathMate, Wednesday, June 29, 2011 at 9:03pm
100x2 â€“ 160xy + 64y2
=4(25x²40xy+16y²)
=4((5x)²2*5x*4y+(4y)²)
=...
use (ab)²=a²2ab+b²
to complete the factorization.