[7y+(8x+1)][7y-(8x+1)]=

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Solution for [7y+(8x+1)][7y-(8x+1)]= equation: 


Simplifying
[7y + (8x + 1)][7y + -1(8x + 1)] = 0

Reorder the terms:
[7y + (1 + 8x)][7y + -1(8x + 1)] = 0

Remove parenthesis around (1 + 8x)
[7y + 1 + 8x][7y + -1(8x + 1)] = 0

Reorder the terms:
[1 + 8x + 7y][7y + -1(8x + 1)] = 0

Reorder the terms:
[1 + 8x + 7y][7y + -1(1 + 8x)] = 0
[1 + 8x + 7y][7y + (1 * -1 + 8x * -1)] = 0
[1 + 8x + 7y][7y + (-1 + -8x)] = 0

Reorder the terms:
[1 + 8x + 7y][-1 + -8x + 7y] = 0

Multiply [1 + 8x + 7y] * [-1 + -8x + 7y]
[1[-1 + -8x + 7y] + 8x * [-1 + -8x + 7y] + 7y * [-1 + -8x + 7y]] = 0
[[-1 * 1 + -8x * 1 + 7y * 1] + 8x * [-1 + -8x + 7y] + 7y * [-1 + -8x + 7y]] = 0
[[-1 + -8x + 7y] + 8x * [-1 + -8x + 7y] + 7y * [-1 + -8x + 7y]] = 0
[-1 + -8x + 7y + [-1 * 8x + -8x * 8x + 7y * 8x] + 7y * [-1 + -8x + 7y]] = 0

Reorder the terms:
[-1 + -8x + 7y + [-8x + 56xy + -64x2] + 7y * [-1 + -8x + 7y]] = 0
[-1 + -8x + 7y + [-8x + 56xy + -64x2] + 7y * [-1 + -8x + 7y]] = 0
[-1 + -8x + 7y + -8x + 56xy + -64x2 + [-1 * 7y + -8x * 7y + 7y * 7y]] = 0

Reorder the terms:
[-1 + -8x + 7y + -8x + 56xy + -64x2 + [-56xy + -7y + 49y2]] = 0
[-1 + -8x + 7y + -8x + 56xy + -64x2 + [-56xy + -7y + 49y2]] = 0

Reorder the terms:
[-1 + -8x + -8x + 56xy + -56xy + -64x2 + 7y + -7y + 49y2] = 0

Combine like terms: -8x + -8x = -16x
[-1 + -16x + 56xy + -56xy + -64x2 + 7y + -7y + 49y2] = 0

Combine like terms: 56xy + -56xy = 0
[-1 + -16x + 0 + -64x2 + 7y + -7y + 49y2] = 0
[-1 + -16x + -64x2 + 7y + -7y + 49y2] = 0

Combine like terms: 7y + -7y = 0
[-1 + -16x + -64x2 + 0 + 49y2] = 0
[-1 + -16x + -64x2 + 49y2] = 0

Solving
-1 + -16x + -64x2 + 49y2 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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