Asked by Diana
whats the value of each variable (7x-27)(4x+12)
Answers
Reiny
This only makes sense if
(7x-27)(4x+12) = 0
"of each variable" ? There is only one variable
then
7x-27=0 or 4x+12=0
7x = 27 or 4x = -12
x = 27/7 or x = -3
(7x-27)(4x+12) = 0
"of each variable" ? There is only one variable
then
7x-27=0 or 4x+12=0
7x = 27 or 4x = -12
x = 27/7 or x = -3