1.

2x²+3x²=7a if x= -1 , then find a

Answer»

Hey

Here is your answer,

2x^2 + 3x = 7A
2x^2 + 3x - 7a = 0

Substitute the VALUE of X in equation,

2(-1)^2 + 3(-1) - 7a = 0
2 - 3 - 7a = 0
-1 - 7a = 0
-7a = 1
a = -1/7

Hope it helps you!


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