Answer:
-6x^2+45x-21
Step-by-step explanation:
So use the FOIL method
First- -6x*x
Outter- -6x*-7
Inner- 3*x
last- 3*-7
-5x-4
You first have to combine like terms. (-6x + x) + (+3 -7) = -5x-4
3(x+1)=2(x-1)
3x+3=2x-2
3x-2x=-2-3
x=-5.
