X+4+3x(x+3x+5)=160

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Solution for X+4+3x(x+3x+5)=160 equation: 


Simplifying
X + 4 + 3x(x + 3x + 5) = 160

Reorder the terms:
X + 4 + 3x(5 + x + 3x) = 160

Combine like terms: x + 3x = 4x
X + 4 + 3x(5 + 4x) = 160
X + 4 + (5 * 3x + 4x * 3x) = 160
X + 4 + (15x + 12x2) = 160

Reorder the terms:
4 + X + 15x + 12x2 = 160

Solving
4 + X + 15x + 12x2 = 160

Solving for variable 'X'.

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

Add '-4' to each side of the equation.
4 + X + 15x + -4 + 12x2 = 160 + -4

Reorder the terms:
4 + -4 + X + 15x + 12x2 = 160 + -4

Combine like terms: 4 + -4 = 0
0 + X + 15x + 12x2 = 160 + -4
X + 15x + 12x2 = 160 + -4

Combine like terms: 160 + -4 = 156
X + 15x + 12x2 = 156

Add '-15x' to each side of the equation.
X + 15x + -15x + 12x2 = 156 + -15x

Combine like terms: 15x + -15x = 0
X + 0 + 12x2 = 156 + -15x
X + 12x2 = 156 + -15x

Add '-12x2' to each side of the equation.
X + 12x2 + -12x2 = 156 + -15x + -12x2

Combine like terms: 12x2 + -12x2 = 0
X + 0 = 156 + -15x + -12x2
X = 156 + -15x + -12x2

Simplifying
X = 156 + -15x + -12x2

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