Question

Solve the following quadratic

function by factoring:
f(x)=x²-10x+9
Enter the number that belongs in the green box.
x = 9; x = [?]

Answer 1

1

Explanation:

x²-10x+9 = 0

(x-9)(x-1) = 0

x-9 = 0 => x=9

x-1 = 0 => x=1