X^2+8x+7=x^2+9x+4

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Solution for X^2+8x+7=x^2+9x+4 equation:


Simplifying
X2 + 8x + 7 = x2 + 9x + 4

Reorder the terms:
7 + X2 + 8x = x2 + 9x + 4

Reorder the terms:
7 + X2 + 8x = 4 + 9x + x2

Solving
7 + X2 + 8x = 4 + 9x + x2

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + X2 + -7 + 8x = 4 + 9x + -7 + x2

Reorder the terms:
7 + -7 + X2 + 8x = 4 + 9x + -7 + x2

Combine like terms: 7 + -7 = 0
0 + X2 + 8x = 4 + 9x + -7 + x2
X2 + 8x = 4 + 9x + -7 + x2

Reorder the terms:
X2 + 8x = 4 + -7 + 9x + x2

Combine like terms: 4 + -7 = -3
X2 + 8x = -3 + 9x + x2

Add '-8x' to each side of the equation.
X2 + 8x + -8x = -3 + 9x + -8x + x2

Combine like terms: 8x + -8x = 0
X2 + 0 = -3 + 9x + -8x + x2
X2 = -3 + 9x + -8x + x2

Combine like terms: 9x + -8x = 1x
X2 = -3 + 1x + x2

Simplifying
X2 = -3 + 1x + x2

Reorder the terms:
3 + X2 + -1x + -1x2 = -3 + 1x + x2 + 3 + -1x + -1x2

Reorder the terms:
3 + X2 + -1x + -1x2 = -3 + 3 + 1x + -1x + x2 + -1x2

Combine like terms: -3 + 3 = 0
3 + X2 + -1x + -1x2 = 0 + 1x + -1x + x2 + -1x2
3 + X2 + -1x + -1x2 = 1x + -1x + x2 + -1x2

Combine like terms: 1x + -1x = 0
3 + X2 + -1x + -1x2 = 0 + x2 + -1x2
3 + X2 + -1x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
3 + X2 + -1x + -1x2 = 0

The solution to this equation could not be determined.

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