66x is the correct answer
Answer:
(a-6)(a+1)
Step-by-step explanation:
factor a2-5a-6
1
Add 1111 to both sides
5x\ge 31+115x≥31+11
2
Simplify 31+1131+11 to 4242
5x\ge 425x≥42
3
Divide both sides by 55
x\ge \frac{42}{5}x≥542
Forget about the minus sign until you're done, then slap it back on.
-1 1/2 = -(1 1/2) = -(3/2) = -3/2