Question

-3m(m+8)

Will medal

Answer 1

distribute the -3m

Answer 2

so -3m(m) -3m(8)

Answer 3

Just use the distributive property:
−3m(m+8)=(−3m×m)+(−3×8)

Answer 4

Two variables together means you square it:
y x y = y^2

Answer 5

So -3m^2 - 24m

Answer 6

?

Answer 7

Yes

Answer 8

m=-8 and m=0... they both work