Factorise the following: x3y3 - 8x2y2 + 15xy - Mathematics

Factorise the following:
x³y³ - 8x²y² + 15xy

Sum

x³y³ - 8x²y² + 15xy
= x³y³ - 3x²y² - 5x²y² + 15xy
= x²y²(xy - 3) - 5xy(xy - 3)
= (xy - 3)(x²y² - 5xy)
= (xy - 3)xy(xy - 5)
= xy(xy - 3)(xy - 5).

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Chapter 5: Factorisation - Exercise 5.2

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