find the value of 2x²+7x-5 , when x=3
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At x = 3
= 2(3)^2 + 7(3) -5
= 2(9) + 21 - 5
= 18 + 21 - 5
=34
34 is the answer.
= 2(3)^2 + 7(3) -5
= 2(9) + 21 - 5
= 18 + 21 - 5
=34
34 is the answer.
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