(9y^2-8y+4)-(3y^2-8y+2)=

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Solution for (9y^2-8y+4)-(3y^2-8y+2)= equation:


Simplifying
(9y2 + -8y + 4) + -1(3y2 + -8y + 2) = 0

Reorder the terms:
(4 + -8y + 9y2) + -1(3y2 + -8y + 2) = 0

Remove parenthesis around (4 + -8y + 9y2)
4 + -8y + 9y2 + -1(3y2 + -8y + 2) = 0

Reorder the terms:
4 + -8y + 9y2 + -1(2 + -8y + 3y2) = 0
4 + -8y + 9y2 + (2 * -1 + -8y * -1 + 3y2 * -1) = 0
4 + -8y + 9y2 + (-2 + 8y + -3y2) = 0

Reorder the terms:
4 + -2 + -8y + 8y + 9y2 + -3y2 = 0

Combine like terms: 4 + -2 = 2
2 + -8y + 8y + 9y2 + -3y2 = 0

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

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

Solving
2 + 6y2 = 0

Solving for variable 'y'.

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

Add '-2' to each side of the equation.
2 + -2 + 6y2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 6y2 = 0 + -2
6y2 = 0 + -2

Combine like terms: 0 + -2 = -2
6y2 = -2

Divide each side by '6'.
y2 = -0.3333333333

Simplifying
y2 = -0.3333333333

Reorder the terms:
0.3333333333 + y2 = -0.3333333333 + 0.3333333333

Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000
0.3333333333 + y2 = 0.0000000000

The solution to this equation could not be determined.

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