Solve x2 + 6x = 24 −3 ± square root 21 −3 ± square root 34 −3 ± square root 15 −3 ± square root 33

asked Feb 26, 2018 679 views

0 votes

Solve x2 + 6x = 24

−3 ± square root 21
−3 ± square root 34
−3 ± square root 15
−3 ± square root 33

by Sihil

6.2k points

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3 votes

x^2 + 6x = 24
x^2 + 6x - 24 = 0

-6 +/-√6^2 - 4(-24) / 2
-6 +/-√36 + 96 / 2
-6 +/-√ 132 / 2

−3 ± square root 33

Tian Tong answered Mar 2, 2018

6.9k points

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