SOLUTION: factor the expression: 16r^2+8r-35

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: factor the expression: 16r^2+8r-35      Log On


   

Question 664268: factor the expression: 16r^2+8r-35
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
16r^2 + 8r - 35 = 0
(4r+7)(4r-5) mixed signs due to + 8 and - 35
Multiples of 35 that will combine with multiple of 4 to add to 8.
Check with FOIL
16r^2 - 20r + 28r - 35
16r^2 + 8r - 35 : confirmed
.........................
Delighted to help.
-Reading Boosters
Wanting for others what we want for ourselves.
www.MyHomeworkAnswers.com