SOLUTION: can i get this one checked please multiply 2m(5m-3)(4m+7) 2m(5m-3)(4m+7) 2m(20m^2-21) 40m^3-42

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: can i get this one checked please multiply 2m(5m-3)(4m+7) 2m(5m-3)(4m+7) 2m(20m^2-21) 40m^3-42      Log On


   

Question 75552: can i get this one checked please
multiply
2m(5m-3)(4m+7)
2m(5m-3)(4m+7)
2m(20m^2-21)
40m^3-42
Answer by Cintchr(481) About Me  (Show Source):
You can put this solution on YOUR website!
Your soultion is incorrect
+2m%285m-3%29%284m%2B7%29+
First, I would multiply the 2 quantities (5m-3)(4m+7)
F: +5m+%2A+4m+=+20m%5E2+
O: +5m+%2A+7+=+35m+
I: +-3+%2A+4m+=+-12m+
L: +-3+%2A+7+=+-21+
Combine like terms
+2m%2820m%5E2+%2B27m+-21%29+
Distribute the 2m
+40m%5E3+%2B+54m%5E2+-42m+
Done