Question

What are the solutions of the quadratic equation below?

4x^2 - 30x + 45 = 0

Answer 1

two numbes whose
(a) product = \(4(45)=180\)
(b) sum = -30

Answer 2

I do not see any rational numbers
so, we use quadratic formula:
\[x={-b\pm\sqrt{b^2-4ac}\over2a}\]
a=4
b=-30
c=45