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what ia the y-intercept of a polynomial function y =2x+8x³+4x²-8x-6?​

Sagot :

Answer:

0=2x+8x²4x²-8x-6

2x+8x²4x²-8x-6=0

-6x+12x²-6=0

x-2x²+1=0

-2x²+x+1=0

2x²-x-1=0

2x²+-2x-1=0

(2x+1) - (2x+1)=0

(2x+1)×(x-1)=0

X= - 1/2, X=1

Step-by-step explanation:

Yan po sagot sana maka tulong :)