3x^2-15x=7x^2-16x

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Solution for 3x^2-15x=7x^2-16x equation:


Simplifying
3x2 + -15x = 7x2 + -16x

Reorder the terms:
-15x + 3x2 = 7x2 + -16x

Reorder the terms:
-15x + 3x2 = -16x + 7x2

Solving
-15x + 3x2 = -16x + 7x2

Solving for variable 'x'.

Reorder the terms:
-15x + 16x + 3x2 + -7x2 = -16x + 7x2 + 16x + -7x2

Combine like terms: -15x + 16x = 1x
1x + 3x2 + -7x2 = -16x + 7x2 + 16x + -7x2

Combine like terms: 3x2 + -7x2 = -4x2
1x + -4x2 = -16x + 7x2 + 16x + -7x2

Reorder the terms:
1x + -4x2 = -16x + 16x + 7x2 + -7x2

Combine like terms: -16x + 16x = 0
1x + -4x2 = 0 + 7x2 + -7x2
1x + -4x2 = 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
1x + -4x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(1 + -4x) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(1 + -4x)' equal to zero and attempt to solve: Simplifying 1 + -4x = 0 Solving 1 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -4x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -4x = 0 + -1 -4x = 0 + -1 Combine like terms: 0 + -1 = -1 -4x = -1 Divide each side by '-4'. x = 0.25 Simplifying x = 0.25

Solution

x = {0, 0.25}

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