Question

Factor 9x^2+15x-14

Answer 1

Do you know how to factor?

Answer 2

no

Answer 3

Oh, then I'll try to help

Answer 4

This expression can be factorised with a little trial and error.
First lets assume the factors of the term 9x^2 are 3x and 3x; then we have
(3x + ?)(3x - ?)
Can you find factors of 14 that can replace the question marks?

Answer 5

7 and -2

Answer 6

Correct! \[9x ^{2}+15x-14=(3x+7)(3x-2)\]

Answer 7

thank u.

Answer 8

You're welcome :)