a^2-10x+21=0

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Solution for a^2-10x+21=0 equation:


Simplifying
a2 + -10x + 21 = 0

Reorder the terms:
21 + a2 + -10x = 0

Solving
21 + a2 + -10x = 0

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + a2 + -21 + -10x = 0 + -21

Reorder the terms:
21 + -21 + a2 + -10x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + a2 + -10x = 0 + -21
a2 + -10x = 0 + -21

Combine like terms: 0 + -21 = -21
a2 + -10x = -21

Add '10x' to each side of the equation.
a2 + -10x + 10x = -21 + 10x

Combine like terms: -10x + 10x = 0
a2 + 0 = -21 + 10x
a2 = -21 + 10x

Simplifying
a2 = -21 + 10x

Reorder the terms:
21 + a2 + -10x = -21 + 10x + 21 + -10x

Reorder the terms:
21 + a2 + -10x = -21 + 21 + 10x + -10x

Combine like terms: -21 + 21 = 0
21 + a2 + -10x = 0 + 10x + -10x
21 + a2 + -10x = 10x + -10x

Combine like terms: 10x + -10x = 0
21 + a2 + -10x = 0

The solution to this equation could not be determined.

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