Question

Find the value of t if the value of 3x² + 5x – 2t equal to 8, when x=-1

Answer 1

3x²+5x-2t=8

if x=-1

3(-1²)+5(-1)-2t=8

3(1)-5-2t=8

3-5-2t=8

-2-2t=8

-2t=8+2=10

t=10/-2=-5

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