andresjohnston
andresjohnston andresjohnston
  • 01-04-2020
  • Mathematics
contestada

Simplify the Expression

(2x−2)(4x+1)

Question 1 options:


8x2−10x+2



8x2+16x+2



8x2+2



8x2−6x−2

Respuesta :

Hrishii
Hrishii Hrishii
  • 01-04-2020

Answer:

[tex] 8 {x}^{2} - 6x - 2[/tex]

Step-by-step explanation:

[tex](2x - 2)(4x + 1) \\ = 2x(4x + 1) - 2(4x + 1) \\ = 8 {x}^{2} + 2x - 8x - 2 \\ = 8 {x}^{2} - 6x - 2[/tex]

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ekwallxhannah71
ekwallxhannah71 ekwallxhannah71
  • 01-04-2020
You multiply 2x and 4x and multiply 2x by 1 and multiply -2 and 4x and then multiply -2 and 1. So the answer would be 8x^2 -6x -2
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