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mihalych1998 [28]
3 years ago
8

(9x^3+2x^2-5x+4) - (5x^3-7x+4) Show your work.

Mathematics
2 answers:
dimaraw [331]3 years ago
8 0
9x^3 - 5x^3 = 4x^3

2x^2 doesn’t substitute with anything

-5x - (-7x) = -5x + 7x = 2x

4 - 4 = 0

Reminders

4x^3 + 2x^2 +2x

If you have have to simplify

2(2x^3 +x^2 +x)
torisob [31]3 years ago
7 0

Answer:

2x(2x^{2}+x+1)

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