(9y^2-5y+8)-(8y^2-5y+3)=

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Solution for (9y^2-5y+8)-(8y^2-5y+3)= equation:


Simplifying
(9y2 + -5y + 8) + -1(8y2 + -5y + 3) = 0

Reorder the terms:
(8 + -5y + 9y2) + -1(8y2 + -5y + 3) = 0

Remove parenthesis around (8 + -5y + 9y2)
8 + -5y + 9y2 + -1(8y2 + -5y + 3) = 0

Reorder the terms:
8 + -5y + 9y2 + -1(3 + -5y + 8y2) = 0
8 + -5y + 9y2 + (3 * -1 + -5y * -1 + 8y2 * -1) = 0
8 + -5y + 9y2 + (-3 + 5y + -8y2) = 0

Reorder the terms:
8 + -3 + -5y + 5y + 9y2 + -8y2 = 0

Combine like terms: 8 + -3 = 5
5 + -5y + 5y + 9y2 + -8y2 = 0

Combine like terms: -5y + 5y = 0
5 + 0 + 9y2 + -8y2 = 0
5 + 9y2 + -8y2 = 0

Combine like terms: 9y2 + -8y2 = 1y2
5 + 1y2 = 0

Solving
5 + 1y2 = 0

Solving for variable 'y'.

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

Add '-5' to each side of the equation.
5 + -5 + 1y2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 1y2 = 0 + -5
1y2 = 0 + -5

Combine like terms: 0 + -5 = -5
1y2 = -5

Divide each side by '1'.
y2 = -5

Simplifying
y2 = -5

Reorder the terms:
5 + y2 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + y2 = 0

The solution to this equation could not be determined.

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