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Jenna Wang
Mathematics
16 December, 23:46
X^2 + 5x - 24 = 0 How do I solve by factoring
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Lauren Preston
17 December, 00:04
0
x = - 8 or x = 3
Step-by-step explanation:
To factor ax² + bx + c, use AC method.
a times c is 1 * - 24 = - 24.
Factors of ac (-24) that add up to b (5) are 8 and - 3.
Divide by a and reduce: 8/1 and - 3/1.
Therefore, the factors are x + 8 and x - 3.
x² + 5x - 24 = 0
(x + 8) (x - 3) = 0
x = - 8 or 3
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