Question

Factorise:(x^2-3x) (x^2-3x-1)-20​

Answer 1

Answer:

Factorise:(x^2-3x) (x^2-3x-1)-20

Answer 2

Answer:

x² - 3x x² - 3x - 1 - 2O

x⁴ + 9x² - 21

x⁴ + (3 x 3)x² - 21

x⁴ + 3x² + ² - 21

x⁴ + 3x⁴ - 21

3x⁵ - 21 ( Ans )

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