-2xsquared-x-1=0

Solution for -2xsquared-x-1=0 equation:

Simplifying
-2xsquared + -1x + -1 = 0

Reorder the terms:
-1 + -2adeqrsux + -1x = 0

Solving
-1 + -2adeqrsux + -1x = 0

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + -2adeqrsux + 1 + -1x = 0 + 1

Reorder the terms:
-1 + 1 + -2adeqrsux + -1x = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -2adeqrsux + -1x = 0 + 1
-2adeqrsux + -1x = 0 + 1

Combine like terms: 0 + 1 = 1
-2adeqrsux + -1x = 1

Add 'x' to each side of the equation.
-2adeqrsux + -1x + x = 1 + x

Combine like terms: -1x + x = 0
-2adeqrsux + 0 = 1 + x
-2adeqrsux = 1 + x

Divide each side by '-2deqrsux'.
a = -0.5d-1e-1q-1r-1s-1u-1x-1 + -0.5d-1e-1q-1r-1s-1u-1

Simplifying
a = -0.5d-1e-1q-1r-1s-1u-1x-1 + -0.5d-1e-1q-1r-1s-1u-1

Reorder the terms:
a = -0.5d-1e-1q-1r-1s-1u-1 + -0.5d-1e-1q-1r-1s-1u-1x-1