jbuchanan21 jbuchanan21
  • 01-08-2020
  • Mathematics
contestada

What is the simplified form of this expression?

(-3x2 + 2x − 4) + (4x2 + 5x + 9)

Respuesta :

Sueraiuka
Sueraiuka Sueraiuka
  • 01-08-2020

Answer:

I hope it helps you......

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Answer Link
09pqr4sT
09pqr4sT 09pqr4sT
  • 01-08-2020

Answer:

[tex]\large \boxed{\sf \ \ x^2 + 7x + 5 \ \ }[/tex]

Step-by-step explanation:

[tex]\mathrm{\sf (-3x^2 + 2x -4) + (4x^2 + 5x + 9)}[/tex]

Remove brackets.

[tex]\large{\sf -3x^2 + 2x -4 + 4x^2 + 5x + 9}[/tex]

Group like terms.

[tex]\large{\sf -3x^2 + 4x^2 + 2x + 5x + 9 -4}[/tex]

Combine like terms.

[tex]\large{\sf x^2 + 7x + 5}[/tex]

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