1.

Factories :125x^3-343y^3

Answer» ANSWER:

(5x-7y)[25x^2 + 49y^2 + 35xy]

Step-by-step explanation:

GIVEN Equation is 125x³ - 343y³

⇒ (5x)³ - (7y)³

We KNOW that a³ - b³ = (a - B)(a² + b² + ab)

⇒ (5x - 7y)[(5x)² + (7y)² + (5x)(7y)]

⇒ (5x - 7y)[25x² + 49y² + 35xy].

HOPE it helps!


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