Question

8 15
--- + ---- = -1
x x^2

Answer 1

answer choices
A. x=5,-5
B. x=-5,-3
C. x=-5,3
D. x=5,3

Answer 2

multiply every term by x^2

and you'll have
8x + 15 = -x^2

or

x^2 + 8x + 15 = 0

just factorise the quadratic for your solution.

Answer 3

x=5,-5

Answer 4

a. is supposed to be 5,-3 not 5

Answer 5

ok... can you factor the quadratic equation...?

Answer 6

A. x=5,-3
B. x=-5,-3
C. x=-5,3
D. x=5,3

Answer 7

not really

Answer 8

ok... can you tell be the factors of 15 that add to 8..?

Answer 9

5 and 3

Answer 10

great so the quadratic when factorised is

(x + 5)(x + 3) = 0

just solve these 2 equations

x + 5 = 0

x + 3 = 0

for your answer

Answer 11

-5, -3 ?

Answer 12

thats it... well done