Question

x⁴ - 3x - 2.....

Factorise it

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Answer 1

Hey guys here is your answer!!!!!

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✔✔Factorise ...........

x⁴ - 3x - 2

x⁴ + x² - x² - 3x - 2

x⁴ + x² - (x² + 3x + 2)

x⁴ + x² - (x² + 2x + x + 2)

x⁴ + x² -［x(x + 2) + 1(x + 2)］

x⁴ + x² - (x + 2) (x + 1)

x⁴ + (x + 2) x² - (x + 1) x² - (x + 2)(x + 1)

x²(x² + x + 2) - (x + 1)(x² + x + 2)

(x² - x - 1)(x² + x + 2)

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I HOPE IT WILL HELP YOU ☺️✌️

Thank you ✌️

Answer 2

Bonjour!

=> x⁴ - 3x - 2

=> x⁴ + x² - x² - 3x - 2

=> x⁴ + x² - (x² + 3x + 2)

=> x⁴ + x² - (x² + 2x + x + 2)

=> x⁴ + x² - (x(x + 2) + 1(x + 2)

=> x⁴ + x² - (x + 2)(x + 1)

=> x⁴ + (x + 2)x² - (x + 1)x² - (x + 2)(x + 1)

=> x²(x² + x + 2) - (x + 1)(x² + x + 2)

=> (x² - (x + 1))(x² + x + 2)

=> (x² - x - 1)(x² + x + 2)

Hope this helps...:)