3x*(4x-50)-5X=20-4x*15+11

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Solution for 3x*(4x-50)-5X=20-4x*15+11 equation:


Simplifying
3x(4x + -50) + -5X = 20 + -4x * 15 + 11

Reorder the terms:
3x(-50 + 4x) + -5X = 20 + -4x * 15 + 11
(-50 * 3x + 4x * 3x) + -5X = 20 + -4x * 15 + 11
(-150x + 12x2) + -5X = 20 + -4x * 15 + 11

Reorder the terms:
-5X + -150x + 12x2 = 20 + -4x * 15 + 11

Reorder the terms for easier multiplication:
-5X + -150x + 12x2 = 20 + -4 * 15x + 11

Multiply -4 * 15
-5X + -150x + 12x2 = 20 + -60x + 11

Reorder the terms:
-5X + -150x + 12x2 = 20 + 11 + -60x

Combine like terms: 20 + 11 = 31
-5X + -150x + 12x2 = 31 + -60x

Solving
-5X + -150x + 12x2 = 31 + -60x

Solving for variable 'X'.

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

Add '150x' to each side of the equation.
-5X + -150x + 150x + 12x2 = 31 + -60x + 150x

Combine like terms: -150x + 150x = 0
-5X + 0 + 12x2 = 31 + -60x + 150x
-5X + 12x2 = 31 + -60x + 150x

Combine like terms: -60x + 150x = 90x
-5X + 12x2 = 31 + 90x

Add '-12x2' to each side of the equation.
-5X + 12x2 + -12x2 = 31 + 90x + -12x2

Combine like terms: 12x2 + -12x2 = 0
-5X + 0 = 31 + 90x + -12x2
-5X = 31 + 90x + -12x2

Divide each side by '-5'.
X = -6.2 + -18x + 2.4x2

Simplifying
X = -6.2 + -18x + 2.4x2

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