(k+2)x^2-4x-5=0

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Solution for (k+2)x^2-4x-5=0 equation:


Simplifying
(k + 2) * x2 + -4x + -5 = 0

Reorder the terms:
(2 + k) * x2 + -4x + -5 = 0

Reorder the terms for easier multiplication:
x2(2 + k) + -4x + -5 = 0
(2 * x2 + k * x2) + -4x + -5 = 0

Reorder the terms:
(kx2 + 2x2) + -4x + -5 = 0
(kx2 + 2x2) + -4x + -5 = 0

Reorder the terms:
-5 + kx2 + -4x + 2x2 = 0

Solving
-5 + kx2 + -4x + 2x2 = 0

Solving for variable 'k'.

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

Add '5' to each side of the equation.
-5 + kx2 + -4x + 5 + 2x2 = 0 + 5

Reorder the terms:
-5 + 5 + kx2 + -4x + 2x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + kx2 + -4x + 2x2 = 0 + 5
kx2 + -4x + 2x2 = 0 + 5

Combine like terms: 0 + 5 = 5
kx2 + -4x + 2x2 = 5

Add '4x' to each side of the equation.
kx2 + -4x + 4x + 2x2 = 5 + 4x

Combine like terms: -4x + 4x = 0
kx2 + 0 + 2x2 = 5 + 4x
kx2 + 2x2 = 5 + 4x

Add '-2x2' to each side of the equation.
kx2 + 2x2 + -2x2 = 5 + 4x + -2x2

Combine like terms: 2x2 + -2x2 = 0
kx2 + 0 = 5 + 4x + -2x2
kx2 = 5 + 4x + -2x2

Divide each side by 'x2'.
k = 5x-2 + 4x-1 + -2

Simplifying
k = 5x-2 + 4x-1 + -2

Reorder the terms:
k = -2 + 5x-2 + 4x-1

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