mmartinez67 mmartinez67
  • 25-04-2020
  • Mathematics
contestada

(4r2 – 3r + 2) – (-r2 – 3r) =

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 25-04-2020

Answer:

5r^2+2

Step-by-step explanation:

(4r^2 – 3r + 2) – (-r^2 – 3r) =

Distribute the minus sign

(4r^2 – 3r + 2)  +r^2 + 3r =

Combine like terms

(4r^2 + r^2 – 3r+ 3r + 2) =

5r^2+2

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