Find the value of – 4x²y2 + 6xy + 8x + 12y – 1,
when x = -2, y=- 1.
Answers
Answered by
35
Answer:
-33
Step-by-step explanation:
– 4x²y²+ 6xy + 8x + 12y – 1
= -4×(-2)²×(-1)² + 6 × (-2) × (-1) +8×(-2)+12×(-1)-1
=(-16)+12+(-16)+(-12)-1
=-16+12-16-12-1
=-33
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