Question

What are the solutions of x2 + 8x − 20 = 0? Show all work for full credit

Answer 1

Do you know how to factor?

Answer 2

Do you know how to complete the square?

Answer 3

Do you know the quadratic formula?

Answer 4

x^2+8x-20=0
(x+10)(x-2)

Answer 5

okay...so

Answer 6

If either one is \(0\) then the other is \(0\).

Answer 7

So you have two equations: \[
x+10=0,\quad x-2=0
\]

Answer 8

okay ..

Answer 9

would i be answering them with x=10 and x=2 ?

Answer 10

10+10 = 0?

Answer 11

You have committed a crime against math.

Answer 12

alright alright jeez...

Answer 13

Subtract 10 from both sides.

Answer 14

wio
what do you mean from 10+10=0 ?!!

Answer 15

She said \(x=10\). We had \(x+10=0\)