Which of the following represents the factorization of the binomial below?

X^2-81

A (x-9) (x-9)

B (x) (x-81)

C (x+9) (x+9)

D (x+9) (x-9)

Question

Mathematics

Noemi Hutchinson

7 November, 04:45

Which of the following represents the factorization of the binomial below?

X^2-81

A (x-9) (x-9)

B (x) (x-81)

C (x+9) (x+9)

D (x+9) (x-9)

+2

Answers (1)

Know the Answer?

Jonah Sparks · Answer 1

D

Step-by-step explanation:

x² - 81 ← is a difference of squares and factors in general as

a² - b² = (a + b) (a - b)

Here a = x and b = 9, thus

x² - 81 = (x + 9) (x - 9) → D

Which of the following represents the factorization of the binomial below?X^2-81A (x-9) (x-9)B (x) (x-81)C (x+9) (x+9)D (x+9) (x-9)

Which of the following represents the factorization of the binomial below?

X^2-81

A (x-9) (x-9)

B (x) (x-81)

C (x+9) (x+9)

D (x+9) (x-9)