A.) The mean of the 8th and 9th values
Factor the equation. Remember the value should add to the b value and multiply to the c value.
x^2-x-12= 0
(x-4)(x+3)=0
Use the zero product property to find roots
x-4=0
x=4
x+3=0
x=-3
Final answer: x=-3, x=4
Answer:
2 and 3 are factors
Step-by-step explanation:
because factors are the number added and the product is the answer