x^2+5x+7=-10

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Solution for x^2+5x+7=-10 equation:


Simplifying
x2 + 5x + 7 = -10

Reorder the terms:
7 + 5x + x2 = -10

Solving
7 + 5x + x2 = -10

Solving for variable 'x'.

Reorder the terms:
7 + 10 + 5x + x2 = -10 + 10

Combine like terms: 7 + 10 = 17
17 + 5x + x2 = -10 + 10

Combine like terms: -10 + 10 = 0
17 + 5x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-17' to each side of the equation.
17 + 5x + -17 + x2 = 0 + -17

Reorder the terms:
17 + -17 + 5x + x2 = 0 + -17

Combine like terms: 17 + -17 = 0
0 + 5x + x2 = 0 + -17
5x + x2 = 0 + -17

Combine like terms: 0 + -17 = -17
5x + x2 = -17

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = -17 + 6.25

Reorder the terms:
6.25 + 5x + x2 = -17 + 6.25

Combine like terms: -17 + 6.25 = -10.75
6.25 + 5x + x2 = -10.75

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = -10.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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