Question

Simplify ( 0.9x + 0.7y ) ( 0.81x^2 - 0.63xy + 0.49y^2 )

Answer 1

Answer:

0.729x^3 + 0.343y^3

Step-by-step explanation:

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Answer 2

Hi friend here is ur answer --:

(0.9x + 0.7y) (0.81x² - 0.63xy + 0.49y²)

= 0.729x³ - 0.567x²y + 0.441xy² + 0.567x²y - 0.441xy² + 343y²

= 0.729x³ + 0.343y³

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