Question

find the value of t if the value of 3x2+5x-2t equal to 8 when x=-1​

Answer 1

Answer:

$3 \times {( - 1)}^{2} + 5 \times ( - 1) - 2t = 8 \\ 3 - 5 - 2t = 8 \\ 2t = - 10 \\ t = - 5$

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Answer 2

Answer:

t = -5

Step-by-step explanation:

x = -1

3x²+5x-2t = 8

3(-1)² + 5*-1-2t = 8

3-5-2t = 8

-2-2t = 8

-2t = 8+2

-2t = 10

2t = -10

t = -10/2

t = -5

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