How do you simplify #7b ^ { 5} + b ^ { 2} - b ^ { 3} - 3b ^ { 5} - 4b ^ { 2}#?

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Answer 1 · 2018-04-23T02:25:15

#7b^5+b^2−b^3−3b^5−4b^2 ## = 4b^5 −b^3-3b^2 #

We just collect like terms:

#7b^5+b^2−b^3−3b^5−4b^2 #

# = 7b^5 −3b^5 −b^3+b^2−4b^2 #

# = 4b^5 −b^3-3b^2 #

Answer 2 · 2018-04-23T02:28:00

#7b^5+b^2-b^3-3b^5-4b^2=color(blue)(4b^5-b^3-3b^2#

Simplify:

#7b^5+b^2-b^3-3b^5-4b^2#

Collect like terms.

#(7b^5-3b^5)+(-b^3)+(b^2-4b^2)#

Combine like terms.

#4b^5-b^3-3b^2#