7x+36=x^2+64

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Solution for 7x+36=x^2+64 equation:


Simplifying
7x + 36 = x2 + 64

Reorder the terms:
36 + 7x = x2 + 64

Reorder the terms:
36 + 7x = 64 + x2

Solving
36 + 7x = 64 + x2

Solving for variable 'x'.

Reorder the terms:
36 + -64 + 7x + -1x2 = 64 + x2 + -64 + -1x2

Combine like terms: 36 + -64 = -28
-28 + 7x + -1x2 = 64 + x2 + -64 + -1x2

Reorder the terms:
-28 + 7x + -1x2 = 64 + -64 + x2 + -1x2

Combine like terms: 64 + -64 = 0
-28 + 7x + -1x2 = 0 + x2 + -1x2
-28 + 7x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-28 + 7x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
28 + -7x + x2 = 0

Move the constant term to the right:

Add '-28' to each side of the equation.
28 + -7x + -28 + x2 = 0 + -28

Reorder the terms:
28 + -28 + -7x + x2 = 0 + -28

Combine like terms: 28 + -28 = 0
0 + -7x + x2 = 0 + -28
-7x + x2 = 0 + -28

Combine like terms: 0 + -28 = -28
-7x + x2 = -28

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 = -28 + 12.25

Reorder the terms:
12.25 + -7x + x2 = -28 + 12.25

Combine like terms: -28 + 12.25 = -15.75
12.25 + -7x + x2 = -15.75

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = -15.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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