the coefficient of×^3 in (2×-3y) (4×^2+6xy+9y^2) is?
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(2x+3y)(4x
2
−6xy+9y
2
)=(2x+3y)((2x)
2
−2x×3y+(3y)
2
)
(2x+3y)(4x
2
−6xy+9y
2
)=(2x)
3
+(3y)
3
(2x+3y)(4x
2
−6xy+9y
2
)=8x
3
+27y
3
Answered by
1
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mathematics, the science of structure, order, and relation that has evolved from elemental practices of counting, measuring, and describing the shapes of objects.
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