0.4x^2-0.7x-sqrt(5)=0

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Solution for 0.4x^2-0.7x-sqrt(5)=0 equation:


Simplifying
0.4x2 + -0.7x + -1sqrt(5) = 0

Reorder the terms for easier multiplication:
0.4x2 + -0.7x + -1 * 5qrst = 0

Multiply -1 * 5
0.4x2 + -0.7x + -5qrst = 0

Reorder the terms:
-5qrst + -0.7x + 0.4x2 = 0

Solving
-5qrst + -0.7x + 0.4x2 = 0

Solving for variable 'q'.

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

Add '0.7x' to each side of the equation.
-5qrst + -0.7x + 0.7x + 0.4x2 = 0 + 0.7x

Combine like terms: -0.7x + 0.7x = 0.0
-5qrst + 0.0 + 0.4x2 = 0 + 0.7x
-5qrst + 0.4x2 = 0 + 0.7x
Remove the zero:
-5qrst + 0.4x2 = 0.7x

Add '-0.4x2' to each side of the equation.
-5qrst + 0.4x2 + -0.4x2 = 0.7x + -0.4x2

Combine like terms: 0.4x2 + -0.4x2 = 0.0
-5qrst + 0.0 = 0.7x + -0.4x2
-5qrst = 0.7x + -0.4x2

Divide each side by '-5rst'.
q = -0.14r-1s-1t-1x + 0.08r-1s-1t-1x2

Simplifying
q = -0.14r-1s-1t-1x + 0.08r-1s-1t-1x2

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