(3r^2+4r-1)+(-2r^2-4r+2)=

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Solution for (3r^2+4r-1)+(-2r^2-4r+2)= equation:


Simplifying
(3r2 + 4r + -1) + (-2r2 + -4r + 2) = 0

Reorder the terms:
(-1 + 4r + 3r2) + (-2r2 + -4r + 2) = 0

Remove parenthesis around (-1 + 4r + 3r2)
-1 + 4r + 3r2 + (-2r2 + -4r + 2) = 0

Reorder the terms:
-1 + 4r + 3r2 + (2 + -4r + -2r2) = 0

Remove parenthesis around (2 + -4r + -2r2)
-1 + 4r + 3r2 + 2 + -4r + -2r2 = 0

Reorder the terms:
-1 + 2 + 4r + -4r + 3r2 + -2r2 = 0

Combine like terms: -1 + 2 = 1
1 + 4r + -4r + 3r2 + -2r2 = 0

Combine like terms: 4r + -4r = 0
1 + 0 + 3r2 + -2r2 = 0
1 + 3r2 + -2r2 = 0

Combine like terms: 3r2 + -2r2 = 1r2
1 + 1r2 = 0

Solving
1 + 1r2 = 0

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + 1r2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 1r2 = 0 + -1
1r2 = 0 + -1

Combine like terms: 0 + -1 = -1
1r2 = -1

Divide each side by '1'.
r2 = -1

Simplifying
r2 = -1

Reorder the terms:
1 + r2 = -1 + 1

Combine like terms: -1 + 1 = 0
1 + r2 = 0

The solution to this equation could not be determined.

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