3x(x-8)+2(x-7)=2

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Solution for 3x(x-8)+2(x-7)=2 equation:


Simplifying
3x(x + -8) + 2(x + -7) = 2

Reorder the terms:
3x(-8 + x) + 2(x + -7) = 2
(-8 * 3x + x * 3x) + 2(x + -7) = 2
(-24x + 3x2) + 2(x + -7) = 2

Reorder the terms:
-24x + 3x2 + 2(-7 + x) = 2
-24x + 3x2 + (-7 * 2 + x * 2) = 2
-24x + 3x2 + (-14 + 2x) = 2

Reorder the terms:
-14 + -24x + 2x + 3x2 = 2

Combine like terms: -24x + 2x = -22x
-14 + -22x + 3x2 = 2

Solving
-14 + -22x + 3x2 = 2

Solving for variable 'x'.

Reorder the terms:
-14 + -2 + -22x + 3x2 = 2 + -2

Combine like terms: -14 + -2 = -16
-16 + -22x + 3x2 = 2 + -2

Combine like terms: 2 + -2 = 0
-16 + -22x + 3x2 = 0

Factor a trinomial.
(-2 + -3x)(8 + -1x) = 0

Subproblem 1

Set the factor '(-2 + -3x)' equal to zero and attempt to solve: Simplifying -2 + -3x = 0 Solving -2 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -3x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3x = 0 + 2 -3x = 0 + 2 Combine like terms: 0 + 2 = 2 -3x = 2 Divide each side by '-3'. x = -0.6666666667 Simplifying x = -0.6666666667

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 = {-0.6666666667, 8}

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