Comparing the above equation with

\(\therefore\) The roots of the given quadratic equation are

By using the property, if the product of two numbers is zero, then at least one of them is zero, we get

∴ The roots of the given quadratic equation are 1/2 and -1/5

By using the property, if the product of two numbers is zero, then at least one of them is zero, we get

∴ The roots of the given quadratic equation are 1 and -4.