Question

[9.02] Solve x2 − 8x − 20 = 0.

x = 4, x = −5

x = −4, x = 5

x = 2, x = −10

x = −2, x = 10

Answer 1

Solution of X^2-8x-20=0 is.... (x-10)(x+2) so answers x=10, -2 is it right

Answer 2

Yes you are correct.

Answer 3

If you always want to double check you can try using the quadratic formula. It's longer doesnt hurt to try.

Answer 4

so its D right

Answer 5

yes!

Answer 6

Dont forget to give me thumbs up!