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Tristian
Mathematics
22 March, 11:11
Solve (x - 2) (x + 7) = 0
+4
Answers (
1
)
Marcel Lucero
22 March, 11:14
0
x = 2 or
x = - 7
Step-by-step explanation:
(x - 2) (x + 7) = 0
x - 2 = 0
Add 2 to both sides
x - 2 + 2 = 2 + 0
x = 2
OR
x + 7 = 0
Subtract 7 from both sides
x + 7 - 7 = 0-7
x = - 7
Therefore
x = 2 or
x = - 7
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