5. f(x) = 3x³ - 4x² +6x and g(x)=5x ³+ 2x²- 3x. What is f(x) - g(x)?A. -2x³ - 6x² +9xB. -2x³ - 6x² – 3xC. 2x³+ 6x² + 3xD. 8x³ - 6x² -9x​

Mathematics · Middle School · Thu Feb 04 2021

Answered on

given that

f(x) = 3x³ - 4x² +6x and 

g(x)=5x ³+ 2x²- 3x

What is f(x) - g(x)

then

3x³ - 4x² +6x -(5x ³+ 2x²- 3x)

=-2x³-6x² +9x

Option A is right