4x(x)-7x+c=0

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Solution for 4x(x)-7x+c=0 equation: 


Simplifying
4x(x) + -7x + c = 0

Multiply x * x
4x2 + -7x + c = 0

Reorder the terms:
c + -7x + 4x2 = 0

Solving
c + -7x + 4x2 = 0

Solving for variable 'c'.

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

Add '7x' to each side of the equation.
c + -7x + 7x + 4x2 = 0 + 7x

Combine like terms: -7x + 7x = 0
c + 0 + 4x2 = 0 + 7x
c + 4x2 = 0 + 7x
Remove the zero:
c + 4x2 = 7x

Add '-4x2' to each side of the equation.
c + 4x2 + -4x2 = 7x + -4x2

Combine like terms: 4x2 + -4x2 = 0
c + 0 = 7x + -4x2
c = 7x + -4x2

Simplifying
c = 7x + -4x2

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