Question

Factor completely −7x2 + 14x − 21.

Answer 1

no

Answer 2

First factor out -7 from it

Answer 3

\[-7x^2+14-21=0\]\[-x^2+2x-3=0\]\[x^2-2x+3=0\]

Answer 4

now continue from there

Answer 5

thank u @saseal

Answer 6

you're supposed to guide her...

Answer 7

you need explanation?

Answer 8

not give her steps on how to do the tough parts and give her the easy part to solve...

Answer 9

-7 * (x^2 - 2x +3 ) got it

Answer 10

no its not even close yet

Answer 11

ok

Answer 12

now complete the square for the chunk inside the parentheses

Answer 13

see what ya get