Question

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

Answer 1

Answer:

3x^2 + 5x - 2t = 8

x=-1

3(-1)^2 +5(-1) -2t =8

3×1 -5-2t=8

3 - 5 - 2t = 8

-2 - 2t = 8

-2t = 8 + 2

2t = -10

t = -10 /2 = -5