Subtract or add like terms depending on the sign
3m-4m=-1m
7+6=13
Answer:
-1m+13
22)
(x^2-16)(x^2+4)=0
can you finish?
solve for x (plus and minus because two solution and degreee 4 so total 4 answers )
x=+-4 x=+-2
hope this helps.
for 10 I know a way but it might confuse you
1) choice 3
2) commutative property
3) 12x + 8x -3x
common factor of x
x(12+8-3)
or
4x(3+2)-3x
Answer:
x=8
Step-by-step explanation:
8-2=6
8x7=42
(checked)