tiffcarina69
02.03.2020 •
Mathematics
What are the solutions of the quadratic equation (x + 3)2 = 49?
Ox=-2 and x = -16
x = 2 and x = -10
O x = 4 and x = -10
O x = 40 and x = -58
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Ответ:
4 and -10
Step-by-step explanation:
Take the square root of both sides of (x + 3)^2 = 49, obtaining:
x + 3 = ± 7
Then either x + 3 = 7 or x + 3 = -7.
In the first case, x = 4; in the second case, x = -10.
Ответ:
The answer is c broo
Step-by-step explanation:
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