(9y^2-8y+8)-(3y^2-8y+2)=

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Solution for (9y^2-8y+8)-(3y^2-8y+2)= equation:


Simplifying
(9y2 + -8y + 8) + -1(3y2 + -8y + 2) = 0

Reorder the terms:
(8 + -8y + 9y2) + -1(3y2 + -8y + 2) = 0

Remove parenthesis around (8 + -8y + 9y2)
8 + -8y + 9y2 + -1(3y2 + -8y + 2) = 0

Reorder the terms:
8 + -8y + 9y2 + -1(2 + -8y + 3y2) = 0
8 + -8y + 9y2 + (2 * -1 + -8y * -1 + 3y2 * -1) = 0
8 + -8y + 9y2 + (-2 + 8y + -3y2) = 0

Reorder the terms:
8 + -2 + -8y + 8y + 9y2 + -3y2 = 0

Combine like terms: 8 + -2 = 6
6 + -8y + 8y + 9y2 + -3y2 = 0

Combine like terms: -8y + 8y = 0
6 + 0 + 9y2 + -3y2 = 0
6 + 9y2 + -3y2 = 0

Combine like terms: 9y2 + -3y2 = 6y2
6 + 6y2 = 0

Solving
6 + 6y2 = 0

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 6y2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 6y2 = 0 + -6
6y2 = 0 + -6

Combine like terms: 0 + -6 = -6
6y2 = -6

Divide each side by '6'.
y2 = -1

Simplifying
y2 = -1

Reorder the terms:
1 + y2 = -1 + 1

Combine like terms: -1 + 1 = 0
1 + y2 = 0

The solution to this equation could not be determined.

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