a(a-6)=-10

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Solution for a(a-6)=-10 equation:


Simplifying
a(a + -6) = -10

Reorder the terms:
a(-6 + a) = -10
(-6 * a + a * a) = -10
(-6a + a2) = -10

Solving
-6a + a2 = -10

Solving for variable 'a'.

Reorder the terms:
10 + -6a + a2 = -10 + 10

Combine like terms: -10 + 10 = 0
10 + -6a + a2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-10' to each side of the equation.
10 + -6a + -10 + a2 = 0 + -10

Reorder the terms:
10 + -10 + -6a + a2 = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -6a + a2 = 0 + -10
-6a + a2 = 0 + -10

Combine like terms: 0 + -10 = -10
-6a + a2 = -10

The a term is -6a.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6a + 9 + a2 = -10 + 9

Reorder the terms:
9 + -6a + a2 = -10 + 9

Combine like terms: -10 + 9 = -1
9 + -6a + a2 = -1

Factor a perfect square on the left side:
(a + -3)(a + -3) = -1

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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