x^2+10a=-21

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Solution for x^2+10a=-21 equation:


Simplifying
x2 + 10a = -21

Reorder the terms:
10a + x2 = -21

Solving
10a + x2 = -21

Solving for variable 'a'.

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

Add '-1x2' to each side of the equation.
10a + x2 + -1x2 = -21 + -1x2

Combine like terms: x2 + -1x2 = 0
10a + 0 = -21 + -1x2
10a = -21 + -1x2

Divide each side by '10'.
a = -2.1 + -0.1x2

Simplifying
a = -2.1 + -0.1x2

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