madilynwin3 madilynwin3
  • 25-06-2020
  • Mathematics
contestada

Multiply (3x − 5)2. 9x2 − 30x + 25 6x2 − 10 9x2 − 25 9x2 − 15x + 25

Respuesta :

09pqr4sT
09pqr4sT 09pqr4sT
  • 25-06-2020

Answer:

[tex]9x^2-30x+25[/tex]

Step-by-step explanation:

[tex](3x - 5)^2[/tex]

[tex](3x - 5) (3x - 5)[/tex]

[tex]3x(3x - 5)-5(3x - 5)[/tex]

[tex]9x^2-15x-15x+25[/tex]

[tex]9x^2-30x+25[/tex]

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Hi1315
Hi1315 Hi1315
  • 26-06-2020

Answer:

[tex] 9x - 30x + 25 \\ [/tex]

Step-by-step explanation:

[tex] {(3x - 5)}^{2} \\ (3x - 5)(3x + 5) \\ 3x(3x - 5) - 5(3x - 5) \\ 9x - 15x - 15x - 25 \\ 9x - 30x + 25[/tex]

hope this helps you.

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