3x^2-4x-7=-7

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Solution for 3x^2-4x-7=-7 equation:


Simplifying
3x2 + -4x + -7 = -7

Reorder the terms:
-7 + -4x + 3x2 = -7

Add '7' to each side of the equation.
-7 + -4x + 7 + 3x2 = -7 + 7

Reorder the terms:
-7 + 7 + -4x + 3x2 = -7 + 7

Combine like terms: -7 + 7 = 0
0 + -4x + 3x2 = -7 + 7
-4x + 3x2 = -7 + 7

Combine like terms: -7 + 7 = 0
-4x + 3x2 = 0

Solving
-4x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-4 + 3x) = 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 '(-4 + 3x)' equal to zero and attempt to solve: Simplifying -4 + 3x = 0 Solving -4 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + 3x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 3x = 0 + 4 3x = 0 + 4 Combine like terms: 0 + 4 = 4 3x = 4 Divide each side by '3'. x = 1.333333333 Simplifying x = 1.333333333

Solution

x = {0, 1.333333333}

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