sco030106
sco030106 sco030106
  • 13-05-2020
  • Mathematics
contestada

add or subtract (5x^2-4x-1)-(-4x^2-4)

Respuesta :

meredith48034
meredith48034 meredith48034
  • 15-05-2020

Answer:

5x^2 - 4x - 1 + 4x^2 + 4

9x^2 - 4x + 3

Step-by-step explanation:

Answer Link
umairkazi924
umairkazi924 umairkazi924
  • 20-09-2021

[tex](5x^2-4x-1)-(-4x^2-4)[/tex]

[tex](5x^2-4x-1) + (4 {x}^{2} + 4)[/tex]

[tex]5x^2-4x-1 + 4 {x}^{2} + 4[/tex]

[tex]( {5x}^{2} + {4x}^{2} ) + ( - 4x) + ( - 1 + 4)[/tex]

[tex] {9x}^{2} - 4x + 3[/tex]

Answer Link

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