Use the FOIL method
Farthest: Multiply the 3b variables together.
Outside: Multiply the outside 2 variables together.
Inside: Multiply the inside 2 variables together.
Left: Multiply the 2 variables on the left side toghether.
Plss help
(3b-4a)(3b-4a)
2 answers
this is a perfect square.
(x-y)^2 = x^2-2xy+y^2
Now just substitute in
x = 3b
y = 4a
(x-y)^2 = x^2-2xy+y^2
Now just substitute in
x = 3b
y = 4a
0 answers