7x^2+x^2-7X-1=0

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Solution for 7x^2+x^2-7X-1=0 equation:


Simplifying
7x2 + x2 + -7X + -1 = 0

Reorder the terms:
-1 + -7X + 7x2 + x2 = 0

Combine like terms: 7x2 + x2 = 8x2
-1 + -7X + 8x2 = 0

Solving
-1 + -7X + 8x2 = 0

Solving for variable 'X'.

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

Add '1' to each side of the equation.
-1 + -7X + 1 + 8x2 = 0 + 1

Reorder the terms:
-1 + 1 + -7X + 8x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -7X + 8x2 = 0 + 1
-7X + 8x2 = 0 + 1

Combine like terms: 0 + 1 = 1
-7X + 8x2 = 1

Add '-8x2' to each side of the equation.
-7X + 8x2 + -8x2 = 1 + -8x2

Combine like terms: 8x2 + -8x2 = 0
-7X + 0 = 1 + -8x2
-7X = 1 + -8x2

Divide each side by '-7'.
X = -0.1428571429 + 1.142857143x2

Simplifying
X = -0.1428571429 + 1.142857143x2

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