x^2-40X-84=0

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Solution for x^2-40X-84=0 equation:


Simplifying
x2 + -40X + -84 = 0

Reorder the terms:
-84 + -40X + x2 = 0

Solving
-84 + -40X + x2 = 0

Solving for variable 'X'.

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

Add '84' to each side of the equation.
-84 + -40X + 84 + x2 = 0 + 84

Reorder the terms:
-84 + 84 + -40X + x2 = 0 + 84

Combine like terms: -84 + 84 = 0
0 + -40X + x2 = 0 + 84
-40X + x2 = 0 + 84

Combine like terms: 0 + 84 = 84
-40X + x2 = 84

Add '-1x2' to each side of the equation.
-40X + x2 + -1x2 = 84 + -1x2

Combine like terms: x2 + -1x2 = 0
-40X + 0 = 84 + -1x2
-40X = 84 + -1x2

Divide each side by '-40'.
X = -2.1 + 0.025x2

Simplifying
X = -2.1 + 0.025x2

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