Respuesta :

Answer:

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

y=ax²+bx+c Simplify each term.

y=5x²−20x+20+7

Add 20 and 7.

y=5x²−20x+27

by-step explanation:
This is the answer y=5x^2-20x+27