zuzannasmith zuzannasmith
  • 21-04-2020
  • Mathematics
contestada

What is 9(2x + 9)


(Just that)

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Аноним Аноним
  • 21-04-2020

Answer: [tex]18x+81[/tex]

Add parentheses beside 9

[tex]Before: 9(2x + 9)\\After:(9)(2x+9)[/tex]

Multiply each side by 9

[tex](9)(2x)+(9)(9)\\18x+81[/tex]

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Hi1315
Hi1315 Hi1315
  • 22-04-2020

Answer:

[tex]9(2x + 9) \\= 18x + 81[/tex]

Answer Link

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