Oh shucks, that's crazy man
X^2-9=0 add 9 to both sides
x^2=9 take the square root of both sides
x=±3
Answer:
83/13 or 6.3846
Step-by-step explanation:
i subsituted for x and used a calculator
The answer is B. l+w+d cannot be more than 61 inches so that sum must be less than 61 inches