Expand : (7x-9y)^3...

Expand :
`(7x-9y)^3`

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`343x^3-1323x^2y+1701xy^2-729y^3`

EQUATIONS IN ONE VARIABLE
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FACTORISATION OF ALGEBRAIC EXPRESSIONS
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Expand : (2m-5)^3
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Expand : (7x-9y)^3
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Expand : (58)^3
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Expand : (198)^3
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Expand : (2p-1/(2p))^3
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Expand : (1-1/a)^3
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Expand : (x/3-3/x)^3
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Simplify : (2a+b)^3-(2a-b)^3
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Simplify : (3r-rk)^3+(3r+2k)^3
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Simplify : (4a-3)^3-(4a+3)^3
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Simplify : (5x-7y)^3+(5x+7y)^3
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Expand : (2p+q+5)^2
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Expand : (m+2n+3r)^2
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Expand : (3x+4y-5p)^2
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Expand : (7m-3n-4k)^2
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Simplify : (x-2y+3)^2+(x+2y-3)^2
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Simplify : (3k-4r-2m)^2-(3k+4r-2m)^2
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Simplify : (7a-6b+5c)^2+(7a+6b-5c)^2
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Choose the correct alternative answer for each of the following questi...
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