A quadratic equation given roots is solved by using the relation

from the question,
sum of the root will be



and also, product of the roots will
be

now substituting the sum of roots and product of roots into the equation


as the quadratic equation for the root 3/4 and -4
Answer:
256
Step-by-step explanation:
16 ×16= 256
Hope it works out for you
18 tens= 180
20 ones= 20
180+20= 200
200