Respuesta :

Answer:

Step-by-step explanation:

Hwy

Answer:

D) 7x^2 +5x +3

Step-by-step explanation:

So there are 7 ones from ' x^2' and 5 ones from X and 1 + 1 +1

X^2 +x^2+ x^2 + x^2 +x^2+x^2 +x^2+ x+ x+ x+ x +x+1 +1 +1

= 7x^2 +5x +3

Good Luck

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