christinasukha2486 christinasukha2486
  • 11-03-2022
  • Mathematics
contestada

Can u pls help me with this question

Can u pls help me with this question class=

Respuesta :

iciclepiano18
iciclepiano18 iciclepiano18
  • 11-03-2022

Answer:

[tex]-k^2+7k[/tex]

Step-by-step explanation:

Using the given equations, we must find [tex]C-B[/tex]

Start by substituting the given values into the expression:

[tex]C-B\\k-3-(k^2-6k-3)[/tex]

Now, take the terms out of the parentheses.

[tex]k-3-(k^2)-(-6k)-(-3)\\k-3-k^2+6k+3[/tex]

Please note that two negatives make a positive

[tex]k-3-k^2+6k+3[/tex]

Combine like terms:

[tex]-k^2+7k[/tex]

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