(2x+7)(x-1)=0

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Solution for (2x+7)(x-1)=0 equation: 


Simplifying
(2x + 7)(x + -1) = 0

Reorder the terms:
(7 + 2x)(x + -1) = 0

Reorder the terms:
(7 + 2x)(-1 + x) = 0

Multiply (7 + 2x) * (-1 + x)
(7(-1 + x) + 2x * (-1 + x)) = 0
((-1 * 7 + x * 7) + 2x * (-1 + x)) = 0
((-7 + 7x) + 2x * (-1 + x)) = 0
(-7 + 7x + (-1 * 2x + x * 2x)) = 0
(-7 + 7x + (-2x + 2x2)) = 0

Combine like terms: 7x + -2x = 5x
(-7 + 5x + 2x2) = 0

Solving
-7 + 5x + 2x2 = 0

Solving for variable 'x'.

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


Subproblem 1
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

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 = {-3.5, 1}

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