Answer:
Step-by-step explanation:
the fraction is
right, but notice that the numerator and denominator are both divisible by 16.
64 divided by 16 is 4,
80 divided by 16 is 5.

First, fint the roots of the equation
1.

2. You can see that this equation has two different real roots. Note that you can make this statement without finding roots, only knowing the value of discriminant: since D=81>0, then the equation has two different real roots.
Answer: -3 again
Step-by-step explanation: Sorry if it is wrong
Answer:
HI
Step-by-step explanation: