y=(2m+1)(2m-1)

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Solution for y=(2m+1)(2m-1) equation: 


Simplifying
y = (2m + 1)(2m + -1)

Reorder the terms:
y = (1 + 2m)(2m + -1)

Reorder the terms:
y = (1 + 2m)(-1 + 2m)

Multiply (1 + 2m) * (-1 + 2m)
y = (1(-1 + 2m) + 2m * (-1 + 2m))
y = ((-1 * 1 + 2m * 1) + 2m * (-1 + 2m))
y = ((-1 + 2m) + 2m * (-1 + 2m))
y = (-1 + 2m + (-1 * 2m + 2m * 2m))
y = (-1 + 2m + (-2m + 4m2))

Combine like terms: 2m + -2m = 0
y = (-1 + 0 + 4m2)
y = (-1 + 4m2)

Solving
y = -1 + 4m2

Solving for variable 'y'.

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

Simplifying
y = -1 + 4m2

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