amandaguerrero1402 amandaguerrero1402

18-11-2021
Mathematics

contestada

Which expression is equivalent to the given expression?
3x^2 + 5x – 7(x^2 + 4)
A. x^2+28
B. x^2+4
C. -4x^2+5x -4
D. -4x^2+5x-28

Which expression is equivalent to the given expression 3x2 5x 7x2 4 A x228 B x24 C 4x25x 4 D 4x25x28 class=

Respuesta :

shownubear1992 shownubear1992

20-11-2021

Answer:

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

Step-by-step explanation:

Distribute -7 by multiplying it by ([tex]x^2[/tex]) and (4)

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

[tex]3x^2+5x-(7x^2+28)[/tex]

Now combine like terms

[tex](3x^2-7x^2)+5x-28[/tex]

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

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