trillsmith
19.12.2021 •
Mathematics
Evaluate 3x2 - 2xy + 4y2 for x = -1 and y = -2. .
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Ответ:
The answer is 12
Step-by-step explanation:
3x² - 2xy + 4y²
Let x = -2
y = -1
3(-2)² - 2(-2)(-1) + 4(-1)²
= 3(4) - 2(2) + 4(1)
= 12 - 4 + 4
= 12
Ответ:
Theres no photo
Step-by-step explanation: