(9y^2-3y+7)-(6y^2-3y+6)=

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Solution for (9y^2-3y+7)-(6y^2-3y+6)= equation:


Simplifying
(9y2 + -3y + 7) + -1(6y2 + -3y + 6) = 0

Reorder the terms:
(7 + -3y + 9y2) + -1(6y2 + -3y + 6) = 0

Remove parenthesis around (7 + -3y + 9y2)
7 + -3y + 9y2 + -1(6y2 + -3y + 6) = 0

Reorder the terms:
7 + -3y + 9y2 + -1(6 + -3y + 6y2) = 0
7 + -3y + 9y2 + (6 * -1 + -3y * -1 + 6y2 * -1) = 0
7 + -3y + 9y2 + (-6 + 3y + -6y2) = 0

Reorder the terms:
7 + -6 + -3y + 3y + 9y2 + -6y2 = 0

Combine like terms: 7 + -6 = 1
1 + -3y + 3y + 9y2 + -6y2 = 0

Combine like terms: -3y + 3y = 0
1 + 0 + 9y2 + -6y2 = 0
1 + 9y2 + -6y2 = 0

Combine like terms: 9y2 + -6y2 = 3y2
1 + 3y2 = 0

Solving
1 + 3y2 = 0

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + 3y2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 3y2 = 0 + -1
3y2 = 0 + -1

Combine like terms: 0 + -1 = -1
3y2 = -1

Divide each side by '3'.
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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