7x-2x(x-3)=11

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Solution for 7x-2x(x-3)=11 equation:


Simplifying
7x + -2x(x + -3) = 11

Reorder the terms:
7x + -2x(-3 + x) = 11
7x + (-3 * -2x + x * -2x) = 11
7x + (6x + -2x2) = 11

Combine like terms: 7x + 6x = 13x
13x + -2x2 = 11

Solving
13x + -2x2 = 11

Solving for variable 'x'.

Reorder the terms:
-11 + 13x + -2x2 = 11 + -11

Combine like terms: 11 + -11 = 0
-11 + 13x + -2x2 = 0

Factor a trinomial.
(-11 + 2x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-11 + 2x)' equal to zero and attempt to solve: Simplifying -11 + 2x = 0 Solving -11 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + 2x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + 2x = 0 + 11 2x = 0 + 11 Combine like terms: 0 + 11 = 11 2x = 11 Divide each side by '2'. x = 5.5 Simplifying x = 5.5

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {5.5, 1}

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