stevencardona12mejia
27.10.2020 •
Mathematics
If one of you answer this I’ll give u the brain list pls
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Ответ:
B
Step-by-step explanation:
is the answer
Ответ:
-5
4
Step-by-step explanation:
x + x² = 20
x² + x - 20 = 0
Factor
(x + 5)(x - 4) = 0
x = {-5, 4}
-5 + 25 = 20
4 + 16 = 20