Question

Find the zero of the polynomials : [ PLEASE ANSWER , AND DONT SPAM ]

1. x² - 16

2. 3x³+9

Answer 1

Answer:

1. x² - 16              [a² - b² = (a+b) (a-b) ]

 (x + 4) (x - 4)

2. 3x³ + 9          

  3 (x³ + 3)

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Answer 2

Answer:

1. +4 , -4

Step-by-step explanation:

x^2 - 16 = 0

x^2 = 16

x = √16

x = +4 , -4