Question

the common zero of the polynomial x2-1and x2+2x+1is ​

Answer 1

Answer:

common zeroes is -1

Step-by-step explanation:

x²-1=0

x²=1

x= ±1

x²+2x+1=0

x²+x+x+1=0

x(x+1)+1(x+1)=0

(x+1)(x+1)=0

(x+1)²=0

x+1=0

x= -1

then common zeroes is -1