A = 21
b = 3
c = 1.3? not sure
d = 8
Hello there!
To solve this, we must first combine 5m and 4m
5m + 4m = 9m
So, now we have:
9m = 72
Now, we must isolate the left side, making it equal m
To do this, we will divide both sides by 9.
9m 72
---- = ----
9 9
So, now we have:
m = 8
This means that the answer is 8.
I hope helped!
Let me know if you need anything else!
~ Zoe
Answer:
<em>12 </em><em> + 28 </em><em> - 60 r³ + 28 r² </em>
Step-by-step explanation:
a(b ± c) = ab ± ac (distributive property)
2r²(6r³ + 14r² - 30r + 14) = <em>12 </em><em> + 28 </em><em> - 60 r³ + 28 r²</em>
Answer:
x= 9,-2
Step-by-step explanation: