Question

can anyone help me with this secant length question.

Answer 1

it would be (10)4=(3+x)3 right?

Answer 2

but then whats next

Answer 3

no wait it would be 40= (3+x)x

Answer 4

40=3x-x^2

Answer 5

how did + became -

Answer 6

typo... whoops

Answer 7

ok... you're doing good :) keep going...

Answer 8

40=3x+x^2

Answer 9

0=x^2+3x-40

Answer 10

(x ) (x ) how do i factor it

Answer 11

list factors of -40, that add upto 3

Answer 12

oh -5 and 8

Answer 13

yes

Answer 14

so x=5 or x=-8

Answer 15

but it cant be negative so its 5

Answer 16

brilliant !!!!

Answer 17

Thanks so much :)

Answer 18

np :)