6x^2-1=25(x+2)

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Solution for 6x^2-1=25(x+2) equation:


Simplifying
6x2 + -1 = 25(x + 2)

Reorder the terms:
-1 + 6x2 = 25(x + 2)

Reorder the terms:
-1 + 6x2 = 25(2 + x)
-1 + 6x2 = (2 * 25 + x * 25)
-1 + 6x2 = (50 + 25x)

Solving
-1 + 6x2 = 50 + 25x

Solving for variable 'x'.

Reorder the terms:
-1 + -50 + -25x + 6x2 = 50 + 25x + -50 + -25x

Combine like terms: -1 + -50 = -51
-51 + -25x + 6x2 = 50 + 25x + -50 + -25x

Reorder the terms:
-51 + -25x + 6x2 = 50 + -50 + 25x + -25x

Combine like terms: 50 + -50 = 0
-51 + -25x + 6x2 = 0 + 25x + -25x
-51 + -25x + 6x2 = 25x + -25x

Combine like terms: 25x + -25x = 0
-51 + -25x + 6x2 = 0

Factor a trinomial.
(-3 + -2x)(17 + -3x) = 0

Subproblem 1

Set the factor '(-3 + -2x)' equal to zero and attempt to solve: Simplifying -3 + -2x = 0 Solving -3 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -2x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2x = 0 + 3 -2x = 0 + 3 Combine like terms: 0 + 3 = 3 -2x = 3 Divide each side by '-2'. x = -1.5 Simplifying x = -1.5

Subproblem 2

Set the factor '(17 + -3x)' equal to zero and attempt to solve: Simplifying 17 + -3x = 0 Solving 17 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + -3x = 0 + -17 Combine like terms: 17 + -17 = 0 0 + -3x = 0 + -17 -3x = 0 + -17 Combine like terms: 0 + -17 = -17 -3x = -17 Divide each side by '-3'. x = 5.666666667 Simplifying x = 5.666666667

Solution

x = {-1.5, 5.666666667}

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