Question

(9-r)(4-r) step by step please, thanks

Answer 1

9*4 -9*r -4*r +r^2
36 -13r +r^2

Answer 2

thanks, (:

Answer 3

NP

Answer 4

wait, how come you said -4*r, there was no -4 in the equation.

Answer 5

you there??

Answer 6

whats up

Answer 7

you said -4*r, but there was no -4 in the equation.

Answer 8

because it was a -r times a 4... and so it's a -4r

Answer 9

ohh okay thanks sorry for the misunderstanding

Answer 10

cool