Answer:
11x+2
Step-by-step explanation:
In completing the square, the first step is to factor out the first and second term so that the factor (x+a) is highlighted. This is seen in line 1. However, in line 2, the subtracted value should be 3 so as to compensate for the added value. This affects then line 3 as well. The answer is line 2.
Answer:
variable
Step-by-step explanation:
that is the textbook definition of variable
Answer:9
Step-by-step explanation:
3(5-2)
15-6
9
Answer:1197.421
Step-by-step explanation: