please provide us the formula incase we dont know it. thank you
Answer provided by our tutors
There are more ways to solve the quadratic equation.
The provided solution is not using the quadratic formula but factoring of polynomial:
And then we apply Zero-product property:
'If ab = 0, then either a = 0 or b = 0'
So the solutions are obtained from:
x - 5 = 0
x = 5
One solution is x1 = 5
x - 1 = 0
x = 1
Second solution is x2 = 1