Which expression has an equivalent value to x2 + 9x + 8 for all values of x?

a. (x + 1) (x + 8)

b. (x + 2) (x + 6)

c / (x + 4) (x + 4)

d. (x + 5) (x + 4)

Question

Mathematics

Cierra Gallagher

19 May, 00:38

Which expression has an equivalent value to x2 + 9x + 8 for all values of x?

a. (x + 1) (x + 8)

b. (x + 2) (x + 6)

c / (x + 4) (x + 4)

d. (x + 5) (x + 4)

+3

Answers (2)

Know the Answer?

Natalee Huerta · Answer 1

Long way is to multiply them out

short way is to factor given equation

x^2+9x+8

what 2 numbers add to 9 and multiply to 8?

1 and 8

(x+8) (x+1)

A

Janessa Coleman · Answer 2

Answer: a. (x+1) (x+8)

Use distributive property: = x^2+8x+x+8

= x+9x+8

Which expression has an equivalent value to x2 + 9x + 8 for all values of x?a. (x + 1) (x + 8)b. (x + 2) (x + 6)c / (x + 4) (x + 4)d. (x + 5) (x + 4)

Which expression has an equivalent value to x2 + 9x + 8 for all values of x?

a. (x + 1) (x + 8)

b. (x + 2) (x + 6)

c / (x + 4) (x + 4)

d. (x + 5) (x + 4)