hannahbannana98
19.07.2019 •
Mathematics
X^2+16x=13
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Ответ:
x² + 16x + 64 = 13 + 64
(x + 8)² = 77
x + 8 = +/- √77
x = - 8 +/- √77
OR
x = - 8 - √77, - 8 + √77
Ответ:
x=8
y=11
Step-by-step explanation:
2(8) + 2(11) = 38
8 + 3 = 11