4x^2+x-5=5x+30

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Solution for 4x^2+x-5=5x+30 equation:


Simplifying
4x2 + x + -5 = 5x + 30

Reorder the terms:
-5 + x + 4x2 = 5x + 30

Reorder the terms:
-5 + x + 4x2 = 30 + 5x

Solving
-5 + x + 4x2 = 30 + 5x

Solving for variable 'x'.

Reorder the terms:
-5 + -30 + x + -5x + 4x2 = 30 + 5x + -30 + -5x

Combine like terms: -5 + -30 = -35
-35 + x + -5x + 4x2 = 30 + 5x + -30 + -5x

Combine like terms: x + -5x = -4x
-35 + -4x + 4x2 = 30 + 5x + -30 + -5x

Reorder the terms:
-35 + -4x + 4x2 = 30 + -30 + 5x + -5x

Combine like terms: 30 + -30 = 0
-35 + -4x + 4x2 = 0 + 5x + -5x
-35 + -4x + 4x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-35 + -4x + 4x2 = 0

Factor a trinomial.
(-5 + -2x)(7 + -2x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -2x)' equal to zero and attempt to solve: Simplifying 7 + -2x = 0 Solving 7 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2x = 0 + -7 -2x = 0 + -7 Combine like terms: 0 + -7 = -7 -2x = -7 Divide each side by '-2'. x = 3.5 Simplifying x = 3.5

Solution

x = {-2.5, 3.5}

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