हल करना (7x - 3y)(x - 4y) + (5x - 9y)(y - 2x) | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$(7x-3y)(x-4y)+(5x-9y)(y-2x)$$