Question

Find the degree of tha polynomial (x-5) (x2+9)

Answer 1

Solution :

(x-5)(x²+9)

= x(x²+9)-5(x²+9)

= x³ + 9x - 5x² - 45

= x³ - 5x² + 9x - 45

Therefore ,

Degree of the polynomial

= Highest power of variable x

= 3

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