Question

Solve 3x2 − 24x = −12.
4 ± 2square root 2
4 ± 2square root 3
4 ± 2square root 5
4 ± 2square root 7

Answer 1

x² - 4x = - 4 + (- 4)²
x² - 4x = - 4 + 16
(x - 4)² = 12
x - 4 = ± √12 OR ± 3.464101615
x = 4 ± √12 OR x = 7.464101615, 0.535898385
x = 4 ± 2√3 OR x = 7.464101615, 0.535898385

Answer 2

can you do another one for me?

Answer 3

i will try.

Answer 4

Solve x2 + 8x = 24.

Answer 5

http://www.wolframalpha.com/input/?i=x2+%2B+8x+%3D+24.+&dataset=

Answer 6

okay thank you!

Answer 7

Anytime.