4cos^2x-9x+2=0

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Solution for 4cos^2x-9x+2=0 equation:


Simplifying
4cos2x + -9x + 2 = 0

Reorder the terms:
2 + 4cos2x + -9x = 0

Solving
2 + 4cos2x + -9x = 0

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + 4cos2x + -2 + -9x = 0 + -2

Reorder the terms:
2 + -2 + 4cos2x + -9x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 4cos2x + -9x = 0 + -2
4cos2x + -9x = 0 + -2

Combine like terms: 0 + -2 = -2
4cos2x + -9x = -2

Add '9x' to each side of the equation.
4cos2x + -9x + 9x = -2 + 9x

Combine like terms: -9x + 9x = 0
4cos2x + 0 = -2 + 9x
4cos2x = -2 + 9x

Divide each side by '4os2x'.
c = -0.5o-1s-2x-1 + 2.25o-1s-2

Simplifying
c = -0.5o-1s-2x-1 + 2.25o-1s-2

Reorder the terms:
c = 2.25o-1s-2 + -0.5o-1s-2x-1

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