x^2-1=x^2+kx+m

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Solution for x^2-1=x^2+kx+m equation:


Simplifying
x2 + -1 = x2 + kx + m

Reorder the terms:
-1 + x2 = x2 + kx + m

Reorder the terms:
-1 + x2 = kx + m + x2

Add '-1x2' to each side of the equation.
-1 + x2 + -1x2 = kx + m + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-1 + 0 = kx + m + x2 + -1x2
-1 = kx + m + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-1 = kx + m + 0
-1 = kx + m

Solving
-1 = kx + m

Solving for variable 'k'.

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

Add '-1kx' to each side of the equation.
-1 + -1kx = kx + -1kx + m

Combine like terms: kx + -1kx = 0
-1 + -1kx = 0 + m
-1 + -1kx = m

Add '1' to each side of the equation.
-1 + 1 + -1kx = 1 + m

Combine like terms: -1 + 1 = 0
0 + -1kx = 1 + m
-1kx = 1 + m

Divide each side by '-1x'.
k = -1x-1 + -1mx-1

Simplifying
k = -1x-1 + -1mx-1

Reorder the terms:
k = -1mx-1 + -1x-1

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