find the value of a if the value of 2xsquare+3x-5a equals 4 at x=2
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Answered by
4
Answer:
2x^2+3x-5a=4
at x=2
2(2)^2+3(2)-5a=4
2(4)+6-5a=4
8+6-5a=4
14-5a=4
14-4=5a
10=5a
a=10/5
a=2
Step-by-step explanation:
hope it helps you
Answered by
0
Answer:
2×2×2×2+3×2-5a=4
16+6-5a=4
22-5a=4
-5a=4-22
-5a=-18
minus minus cancel
5a=18
a=18÷5
a=3.6
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