(x-2)*(x-7)=

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Solution for (x-2)*(x-7)= equation:


Simplifying
(x + -2)(x + -7) = 0

Reorder the terms:
(-2 + x)(x + -7) = 0

Reorder the terms:
(-2 + x)(-7 + x) = 0

Multiply (-2 + x) * (-7 + x)
(-2(-7 + x) + x(-7 + x)) = 0
((-7 * -2 + x * -2) + x(-7 + x)) = 0
((14 + -2x) + x(-7 + x)) = 0
(14 + -2x + (-7 * x + x * x)) = 0
(14 + -2x + (-7x + x2)) = 0

Combine like terms: -2x + -7x = -9x
(14 + -9x + x2) = 0

Solving
14 + -9x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(2 + -1x)(7 + -1x) = 0

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 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 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 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 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {2, 7}

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