x*x+k*x+30=0

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Solution for x*x+k*x+30=0 equation:


Simplifying
x * x + k * x + 30 = 0

Multiply x * x
x2 + k * x + 30 = 0

Multiply k * x
x2 + kx + 30 = 0

Reorder the terms:
30 + kx + x2 = 0

Solving
30 + kx + x2 = 0

Solving for variable 'k'.

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

Add '-30' to each side of the equation.
30 + kx + -30 + x2 = 0 + -30

Reorder the terms:
30 + -30 + kx + x2 = 0 + -30

Combine like terms: 30 + -30 = 0
0 + kx + x2 = 0 + -30
kx + x2 = 0 + -30

Combine like terms: 0 + -30 = -30
kx + x2 = -30

Add '-1x2' to each side of the equation.
kx + x2 + -1x2 = -30 + -1x2

Combine like terms: x2 + -1x2 = 0
kx + 0 = -30 + -1x2
kx = -30 + -1x2

Divide each side by 'x'.
k = -30x-1 + -1x

Simplifying
k = -30x-1 + -1x

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