Math, asked by Ishnoor123, 1 year ago

If r = -10, then find the value of r³-5(r-5).

Answers

Answered by ShubhamNegi15
4

Answer:-1025

Step-by-step explanation:see the image

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Answered by NilotpalSwargiary
5

Answer:

given \\  \:  \:  \:  \:  \:  \:  \:  \:  \: r =  - 10 \\ therefore \\  =  {r}^{3}  - 5(r - 5) \\  =   {( - 10)}^{3}  - 5( - 10 - 5) \\  =  - 1000 + 75 \\  =  - 925

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