[(25y)(25y)]-[(16x)(16x)]=400

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Solution for [(25y)(25y)]-[(16x)(16x)]=400 equation: 


Simplifying
[(25y)(25y)] + -1[(16x)(16x)] = 400

Remove parenthesis around (25y)
[25y(25y)] + -1[(16x)(16x)] = 400

Remove parenthesis around (25y)
[25y * 25y] + -1[(16x)(16x)] = 400

Reorder the terms for easier multiplication:
[25 * 25y * y] + -1[(16x)(16x)] = 400

Multiply 25 * 25
[625y * y] + -1[(16x)(16x)] = 400

Multiply y * y
[625y2] + -1[(16x)(16x)] = 400

Remove parenthesis around (16x)
[625y2] + -1[16x(16x)] = 400

Remove parenthesis around (16x)
[625y2] + -1[16x * 16x] = 400

Reorder the terms for easier multiplication:
[625y2] + -1[16 * 16x * x] = 400

Multiply 16 * 16
[625y2] + -1[256x * x] = 400

Multiply x * x
[625y2] + -1[256x2] = 400

Remove brackets around [256x2]
[625y2] + -1 * 256x2 = 400

Multiply -1 * 256
[625y2] + -256x2 = 400

Reorder the terms:
-256x2 + [625y2] = 400

Solving
-256x2 + [625y2] = 400

Solving for variable 'x'.

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

Add '[-625y2]' to each side of the equation.
-256x2 + [625y2] + [-625y2] = 400 + [-625y2]

Combine like terms: [625y2] + [-625y2] = 0
-256x2 + 0 = 400 + [-625y2]
-256x2 = 400 + [-625y2]

Divide each side by '-256'.
x2 = -1.5625 + [2.44140625y2]

Simplifying
x2 = -1.5625 + [2.44140625y2]

Reorder the terms:
1.5625 + x2 + [-2.44140625y2] = -1.5625 + [2.44140625y2] + 1.5625 + [-2.44140625y2]

Reorder the terms:
1.5625 + x2 + [-2.44140625y2] = -1.5625 + 1.5625 + [2.44140625y2] + [-2.44140625y2]

Combine like terms: -1.5625 + 1.5625 = 0.0000
1.5625 + x2 + [-2.44140625y2] = 0.0000 + [2.44140625y2] + [-2.44140625y2]
1.5625 + x2 + [-2.44140625y2] = [2.44140625y2] + [-2.44140625y2]

Combine like terms: [2.44140625y2] + [-2.44140625y2] = 0.00000000
1.5625 + x2 + [-2.44140625y2] = 0.00000000

The solution to this equation could not be determined.

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