2006-08-31 09:46:40 · 6 answers · asked by moraisuna 1 in Education & Reference ➔ Homework Help
First of all, the verb is factor. To factor the expression look at each coefficient, I usually start with the last one.
It's 10, which factors into 5*2. Because it's -10, either 5 or 2 must be negative.to determine which, look at the middle term and test:
-2 + 5 = 3
-5 + 2 = -3
So you want (x - 5)(x + 2). To check expand the expression:
(x - 5)(x + 2) = x(x + 2) - 5(x + 2) = x^2 + 2x - 5x -10 = x^2 - 3x + 10
2006-08-31 09:55:42 · answer #1 · answered by sax7515 2 · 0⤊ 0⤋
Too easy: (x-5) (x+2)
-5 x 2= -10
-5+2= - 3
2006-08-31 09:50:39 · answer #2 · answered by Bruce W. 4 · 0⤊ 0⤋
(x+2)(x-5)
2006-08-31 09:53:00 · answer #3 · answered by A Mommy 1 · 0⤊ 0⤋
(x-5)(x+2)
2006-08-31 09:50:29 · answer #4 · answered by jalwerdt 2 · 0⤊ 0⤋
x^2-3x-10
=(x + 2) (x - 5)
expand
x^2 - 5x + 2x - 10
x^2 - 3x - 10
2006-09-04 05:50:48 · answer #5 · answered by zahra 2 · 0⤊ 0⤋
(X-5)(X+2)
2006-08-31 09:54:46 · answer #6 · answered by steven o 2 · 0⤊ 0⤋