Question

Help

Answer 1

@agent0smith it's (4k+5)(k+1)=0

Answer 2

multiply 4k+5 with k+1

Answer 3

using the foil method ?

Answer 4

any

Answer 5

but i solved for k and I got k=\[\frac{ -5 }{ 4 } , -1\]

Answer 6

either 4k+5=0,k=?
or k+1=0
k=?
you are correct.

Answer 7

no need to multiply.
if solving by quadratic method then only multiply

Answer 8

if a*b=0
then either a=0 or b=0 or both 0

Answer 9

ahh okay thank you so much !!! the thing is that I was a little bit confused but now I understand it better thxss for your help,.. I really appreciate it :)

Answer 10

yw

Answer 11

Do you mind helping me with one more ? It's different from the last one. (a little)

Answer 12

np

Answer 13

alrighty but first let me close this question

Answer 14

oh it's already closed lol