staru214 staru214
  • 10-11-2021
  • Mathematics
contestada

3x^2-17x=56. What is x?

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Аноним Аноним
  • 10-11-2021

Answer:

[tex]x=-\frac{7}{3} \\x=8[/tex]

Step-by-step explanation:

[tex]3x^2-17x=56[/tex]

[tex]3x^2-17x-56=0\\[/tex]

[tex]3x^2+7x-24x-56=0[/tex]

[tex]x(3x+7)-8(3x+7)=0[/tex]

[tex](3x+7)(x-8)=0[/tex]

[tex]x=-\frac{7}{3} \\x=8[/tex]

Hope this is helpful.

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