x^2-7x-5=-35

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Solution for x^2-7x-5=-35 equation:


Simplifying
x2 + -7x + -5 = -35

Reorder the terms:
-5 + -7x + x2 = -35

Solving
-5 + -7x + x2 = -35

Solving for variable 'x'.

Reorder the terms:
-5 + 35 + -7x + x2 = -35 + 35

Combine like terms: -5 + 35 = 30
30 + -7x + x2 = -35 + 35

Combine like terms: -35 + 35 = 0
30 + -7x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-30' to each side of the equation.
30 + -7x + -30 + x2 = 0 + -30

Reorder the terms:
30 + -30 + -7x + x2 = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -7x + x2 = 0 + -30
-7x + x2 = 0 + -30

Combine like terms: 0 + -30 = -30
-7x + x2 = -30

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = -30 + 12.25

Reorder the terms:
12.25 + -7x + x2 = -30 + 12.25

Combine like terms: -30 + 12.25 = -17.75
12.25 + -7x + x2 = -17.75

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = -17.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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