-5[2a(6-a)+2(a^2-4)+5]=

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Solution for -5[2a(6-a)+2(a^2-4)+5]= equation:


Simplifying
-5[2a(6 + -1a) + 2(a2 + -4) + 5] = 0
-5[(6 * 2a + -1a * 2a) + 2(a2 + -4) + 5] = 0
-5[(12a + -2a2) + 2(a2 + -4) + 5] = 0

Reorder the terms:
-5[12a + -2a2 + 2(-4 + a2) + 5] = 0
-5[12a + -2a2 + (-4 * 2 + a2 * 2) + 5] = 0
-5[12a + -2a2 + (-8 + 2a2) + 5] = 0

Reorder the terms:
-5[-8 + 5 + 12a + -2a2 + 2a2] = 0

Combine like terms: -8 + 5 = -3
-5[-3 + 12a + -2a2 + 2a2] = 0

Combine like terms: -2a2 + 2a2 = 0
-5[-3 + 12a + 0] = 0
-5[-3 + 12a] = 0
[-3 * -5 + 12a * -5] = 0
[15 + -60a] = 0

Solving
15 + -60a = 0

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + -60a = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -60a = 0 + -15
-60a = 0 + -15

Combine like terms: 0 + -15 = -15
-60a = -15

Divide each side by '-60'.
a = 0.25

Simplifying
a = 0.25

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