Question

what times # = -20
but when added =- 7?

Answer 1

what are the factors of 20 ?

Answer 2

factors of -20..
I know -5X4 but when I add it does not =-7

Answer 3

yes right
and when u multiply -2 times -5 you will get 20 but not -20 so `none` are solving quadratic equation ?

Answer 4

no. here is my problem

3y^2+7y-20=

factors

Answer 5

i knew it!
leading coefficient isn't one so u should multiply AC

Answer 6

so first multiply 3 times -20 then find two numbers

Answer 7

oh great yes I got thanks

Answer 8

congrats

Answer 9

remeber for AC method
find two numbers when you multiply them you should get product of AC(a=leading coefficient , c=constant)

Answer 10

i came up with -17

Answer 11

and do you know you can't write the answer like (x+1st number) (x+2nd number)

Answer 12

what do you mean `-17`?

Answer 13

I took 3 X -20 to come up with my needed number

Answer 14

oh no i meant first multiply 3 times -20= which is equal to -60
now find two numbers when you multiply them you should get -60 but when you add or subtract them you should get -7

Answer 15

+7**

Answer 16

:O(?

Answer 17

??

Answer 18

if leading coefficient is one then we still have to multiply A times C but as u know when you multiply by one you will get the same thing
but here leading coefficinet is 3
so multiply a times c = 3 times -20
then find two numbers

Answer 19

right great thanks

Answer 20

np :=)