Question

x^2 – 8x + 15
please explain how to factor this trinomial ?

Answer 1

(x-?)(y-?)

Answer 2

(x-3)(x-5)

Answer 3

what 2 numbers when multiplied equal 15
the same numbers when added equal 8

(x-3)(x-5)

Answer 4

-5*-3=15
-5+-3=-8

Answer 5

Thank you :D

Answer 6

a^2 – a – 20
what do you do now since theres no two numbers ..?

Answer 7

There is....

Answer 8

same thing. what 2 numbers when multiplied equal 20
the same numbers when added equal a which is actually just 1

5*-4=-20
4+-5=-1

Answer 9

Oh yeah a is 1a

Answer 10

Just for info, even though it is a trinomial, most people would call it a quadratic

Answer 11

oops i mean 4*-5=20
(x-5)(x+4)

Answer 12

a^2 – 5a – 20
Im sorry last one i cant figure it out ?