11. The value of the 2a + 3a² + 2a – 7 when a= -2 is
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2
Answer:
= 2(-2) + 3(-2)² + 2(-2) - 7
= -4 + 12 + (-4) - 7
= -4 + 12 - 4 -7
= -3
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Answered by
0
Answer:
-3
Step-by-step explanation:
2a + 3a²+2a - 7 when a = -2
2×-2 + 3×-2² + 2×-2 - 7
-4 + 3×-4 + -4 -7
-4 + -12 + -11
+12 -4 -11
+12 - 15
-3 .
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