(-2x)(-4y)-(-9x)(10y)=

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Solution for (-2x)(-4y)-(-9x)(10y)= equation:


Simplifying
(-2x)(-4y) + -1(-9x)(10y) = 0

Remove parenthesis around (-2x)
-2x(-4y) + -1(-9x)(10y) = 0

Remove parenthesis around (-4y)
-2x * -4y + -1(-9x)(10y) = 0

Reorder the terms for easier multiplication:
-2 * -4x * y + -1(-9x)(10y) = 0

Multiply -2 * -4
8x * y + -1(-9x)(10y) = 0

Multiply x * y
8xy + -1(-9x)(10y) = 0

Remove parenthesis around (-9x)
8xy + -1 * -9x(10y) = 0

Remove parenthesis around (10y)
8xy + -1 * -9x * 10y = 0

Reorder the terms for easier multiplication:
8xy + -1 * -9 * 10x * y = 0

Multiply -1 * -9
8xy + 9 * 10x * y = 0

Multiply 9 * 10
8xy + 90x * y = 0

Multiply x * y
8xy + 90xy = 0

Combine like terms: 8xy + 90xy = 98xy
98xy = 0

Solving
98xy = 0

Solving for variable 'x'.

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

Divide each side by '98'.
xy = 0

Simplifying
xy = 0

The solution to this equation could not be determined.

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