The algebraic expression (8a2 + 5a – 1) gives the value –1 when evaluated for a certain value of a. Find the value of a.
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Answered by
1
Answer:
Step-by-step explanation:
8(-1)^2+5(-1)-1
8-5-1
8-6
2 is the answer hope its helpful mark as brainlist .
Answered by
2
Step-by-step explanation:
8a²+5a-1=-1
8a²+5a-1+1=0
8a²=-5a
a=-5a/8a
a=-5/8
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