7.5k views
3 votes
A) Factorise x² + 5x - 14​

User Marl
by
5.2k points

1 Answer

4 votes

Answer: (x+2) (x-7)

Explanation:

so late butttt

use formula to know what's a,b and c

ax² + bx + c

what's a multiplied by c? = -14

what 2 numbers add to get b, but multiplied to get ac?

-7 and +2

then join it with x and brackets

(x+2) (x-7)

User Morsik
by
5.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.