X*4-8x*2-9=0

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Solution for X*4-8x*2-9=0 equation: 



X*4-8X*2-9=0

Wy multiply elements

4X-16X-9=0

We add all the numbers together, and all the variables

-12X-9=0

We move all terms containing X to the left, all other terms to the right

-12X=9

X=9/-12

X=-3/4

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