Respuesta :

Hi1315

Answer:

[tex] {(3x + 4)}^{2} [/tex]

Step-by-step explanation:

thinked number = x

multiply by 3

[tex]x \times 3 \\ = 3x[/tex]

add 4

[tex]3x + 4[/tex]

square the result

[tex] {(3x + 4)}^{2} [/tex]

hope this helps

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Answer:

(3x+4)²

Step-by-step explanation:

Let the number be x

⇒ Multiplying by 3 makes it 3x

⇒ Adding 4 makes it 3x+4

⇒ Squaring it makes it (3x+4)²