6x^2=7x+20

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Solution for 6x^2=7x+20 equation:


Simplifying
6x2 = 7x + 20

Reorder the terms:
6x2 = 20 + 7x

Solving
6x2 = 20 + 7x

Solving for variable 'x'.

Reorder the terms:
-20 + -7x + 6x2 = 20 + 7x + -20 + -7x

Reorder the terms:
-20 + -7x + 6x2 = 20 + -20 + 7x + -7x

Combine like terms: 20 + -20 = 0
-20 + -7x + 6x2 = 0 + 7x + -7x
-20 + -7x + 6x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
-20 + -7x + 6x2 = 0

Factor a trinomial.
(-4 + -3x)(5 + -2x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Solution

x = {-1.333333333, 2.5}

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