Answer:
x=2
Step-by-step explanation:
x+(2x)^2=18
Sometimes it helps to draw it out...
(17)
C_______M_________Q
|___________________|
21
therefore, CM + MQ = CQ
17 + MQ = 21
MQ = 21 - 17
MQ = 4 <===
Answer:
-4x - 20x
Step-by-step explanation:
Multiply 2 by -10
Answer:
120m^2
Step-by-step explanation:
24*10=240
240/2=120