avajack avajack
  • 13-04-2021
  • Mathematics
contestada

(7x+3) (10x-14) HELP PLEASE

7x3 10x14 HELP PLEASE class=

Respuesta :

786winkoaung
786winkoaung 786winkoaung
  • 13-04-2021

Answer:

70[tex]x^{2}[/tex]+30x-140

Step-by-step explanation:

(7x+3) (10x-14)

70[tex]x^{2}[/tex]-98+30x-42

70[tex]x^{2}[/tex]+30x-42-98

70[tex]x^{2}[/tex]+30x-140

Answer Link
altavistard
altavistard altavistard
  • 13-04-2021

Answer:

x = 9

Step-by-step explanation:

These are vertical angles, and thus the angles are equal.

7x + 3 = 10x - 24

Combining like terms, we get

27 = 3x, so that x must be 9.

x = 9

Answer Link

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