Answer
$20(x-5)(x-6)$
Work Step by Step
Step 1: $20x^{2}-220x+600$
Step 2: We factor out the common factor of $20$ from the polynomial: $20(x^{2}-11x+30)$.
Step 3: Next, we factor the polynomial by grouping:
$20(x^{2}-5x-6x+30)$.
Step 4: $20(x(x-5)-6(x-5))$
Step 5: $20(x-5)(x-6)$
