SOLUTION: express each of the following trinomials as products of 2 binomials a)40z^2-42z+9 b)32y^2-68y+21 c)36y^2-36y+9 d)12z^2-4z-65 e)32X^2-52x+15

Algebra ->  Equations -> SOLUTION: express each of the following trinomials as products of 2 binomials a)40z^2-42z+9 b)32y^2-68y+21 c)36y^2-36y+9 d)12z^2-4z-65 e)32X^2-52x+15       Log On


   

Question 52796: express each of the following trinomials as products of 2 binomials
a)40z^2-42z+9
b)32y^2-68y+21
c)36y^2-36y+9
d)12z^2-4z-65
e)32X^2-52x+15



Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
This is also called "factoring"
a) 40z%5E2-42z%2B9+=+%2810z-3%29%284z-3%29
b) 32y%5E2-68y%2B21+=+%288y-3%29%284y-7%29
c) 36y%5E2-36y%2B9+=+9%284y%5E2-4y%2B1%29 = 9%282y-1%29%282y-1%29
d) 12z%5E2-4z-65+=+%286z%2B13%29%282z-5%29
e) 32x%5E2-52x%2B15+=+%288x-3%29%284x-5%29