emilyjankowski78 emilyjankowski78
  • 21-06-2021
  • Mathematics
contestada

Which expression is equivalent to the given expression?
3r2 + 53 - 7(x2 + 4)
A.
x2 + 4
B. -412 + 51 - 4
OC.-4.2 + 51 – 28
D.
12 + 28

Which expression is equivalent to the given expression 3r2 53 7x2 4 A x2 4 B 412 51 4 OC42 51 28 D 12 28 class=

Respuesta :

jjwn1
jjwn1 jjwn1
  • 21-06-2021

Answer:

C. - 4x^2 + 5x - 4

Step-by-step explanation:

just expand the equation and you'll get C

Answer Link
doomdabomb
doomdabomb doomdabomb
  • 21-06-2021

Answer:

O C.   [tex]-4x^2+5x-28[/tex]

Step-by-step explanation:

[tex]3x^2+5x[/tex] -7(x^2+4)      Distribute

[tex]3x^{2} +5x[/tex] -7x^2-28       Multiply - 7 by 4

3x^2 [tex]+5x[/tex] -7x^2 [tex]-28[/tex]   Combine Like Terms

-4x^2 [tex]+5x-28[/tex]           Final Answer

Answer Link

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