17x+4=(x+3)(2x+7)-x+8

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Solution for 17x+4=(x+3)(2x+7)-x+8 equation:


Simplifying
17x + 4 = (x + 3)(2x + 7) + -1x + 8

Reorder the terms:
4 + 17x = (x + 3)(2x + 7) + -1x + 8

Reorder the terms:
4 + 17x = (3 + x)(2x + 7) + -1x + 8

Reorder the terms:
4 + 17x = (3 + x)(7 + 2x) + -1x + 8

Multiply (3 + x) * (7 + 2x)
4 + 17x = (3(7 + 2x) + x(7 + 2x)) + -1x + 8
4 + 17x = ((7 * 3 + 2x * 3) + x(7 + 2x)) + -1x + 8
4 + 17x = ((21 + 6x) + x(7 + 2x)) + -1x + 8
4 + 17x = (21 + 6x + (7 * x + 2x * x)) + -1x + 8
4 + 17x = (21 + 6x + (7x + 2x2)) + -1x + 8

Combine like terms: 6x + 7x = 13x
4 + 17x = (21 + 13x + 2x2) + -1x + 8

Reorder the terms:
4 + 17x = 21 + 8 + 13x + -1x + 2x2

Combine like terms: 21 + 8 = 29
4 + 17x = 29 + 13x + -1x + 2x2

Combine like terms: 13x + -1x = 12x
4 + 17x = 29 + 12x + 2x2

Solving
4 + 17x = 29 + 12x + 2x2

Solving for variable 'x'.

Reorder the terms:
4 + -29 + 17x + -12x + -2x2 = 29 + 12x + 2x2 + -29 + -12x + -2x2

Combine like terms: 4 + -29 = -25
-25 + 17x + -12x + -2x2 = 29 + 12x + 2x2 + -29 + -12x + -2x2

Combine like terms: 17x + -12x = 5x
-25 + 5x + -2x2 = 29 + 12x + 2x2 + -29 + -12x + -2x2

Reorder the terms:
-25 + 5x + -2x2 = 29 + -29 + 12x + -12x + 2x2 + -2x2

Combine like terms: 29 + -29 = 0
-25 + 5x + -2x2 = 0 + 12x + -12x + 2x2 + -2x2
-25 + 5x + -2x2 = 12x + -12x + 2x2 + -2x2

Combine like terms: 12x + -12x = 0
-25 + 5x + -2x2 = 0 + 2x2 + -2x2
-25 + 5x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-25 + 5x + -2x2 = 0

Begin completing the square.  Divide all terms by
-2 the coefficient of the squared term: 

Divide each side by '-2'.
12.5 + -2.5x + x2 = 0

Move the constant term to the right:

Add '-12.5' to each side of the equation.
12.5 + -2.5x + -12.5 + x2 = 0 + -12.5

Reorder the terms:
12.5 + -12.5 + -2.5x + x2 = 0 + -12.5

Combine like terms: 12.5 + -12.5 = 0.0
0.0 + -2.5x + x2 = 0 + -12.5
-2.5x + x2 = 0 + -12.5

Combine like terms: 0 + -12.5 = -12.5
-2.5x + x2 = -12.5

The x term is -2.5x.  Take half its coefficient (-1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
-2.5x + 1.5625 + x2 = -12.5 + 1.5625

Reorder the terms:
1.5625 + -2.5x + x2 = -12.5 + 1.5625

Combine like terms: -12.5 + 1.5625 = -10.9375
1.5625 + -2.5x + x2 = -10.9375

Factor a perfect square on the left side:
(x + -1.25)(x + -1.25) = -10.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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