42x^2-300x=288

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Solution for 42x^2-300x=288 equation:


Simplifying
42x2 + -300x = 288

Reorder the terms:
-300x + 42x2 = 288

Solving
-300x + 42x2 = 288

Solving for variable 'x'.

Reorder the terms:
-288 + -300x + 42x2 = 288 + -288

Combine like terms: 288 + -288 = 0
-288 + -300x + 42x2 = 0

Factor out the Greatest Common Factor (GCF), '6'.
6(-48 + -50x + 7x2) = 0

Factor a trinomial.
6((-6 + -7x)(8 + -1x)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(-6 + -7x)' equal to zero and attempt to solve: Simplifying -6 + -7x = 0 Solving -6 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -7x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -7x = 0 + 6 -7x = 0 + 6 Combine like terms: 0 + 6 = 6 -7x = 6 Divide each side by '-7'. x = -0.8571428571 Simplifying x = -0.8571428571

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {-0.8571428571, 8}

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