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Abdullah Velez
Mathematics
2 March, 19:21
What is the value of
5 (7x + 5) x = 10
+1
Answers (
1
)
Zaiden Hudson
2 March, 19:29
0
x = 2/7 or - 1
Step-by-step explanation:
5 (7x + 5) x = 10
35x² + 25x - 10 = 0
35x² + 35x - 10x - 10 = 0
35x (x + 1) - 10 (x + 1) = 0
(35x - 10) (x + 1) = 0
x = 2/7 or - 1
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