-9 + 2 = 7
7 + 9 = 16
X = 16
For 8, 15.25*18=274.5, 274.5/2= 137.25 or 137 1/4
for 9, 11*13=143, 143/2= 71.5 or 71 1/2
Answer:
try 67 and see if it was right
Step-by-step explanation:
When you complete the square, you change the equation so that the left side of the equation is a perfect square trinomial. But mainly completing the square is a technique that transforms your quadratic equation from an equation that can't be factored into one that can.
Answer:
46 is the answer.
Step-by-step explanation:
12/(2) + 10(2)(4)/2
= 12/(2) + 80/2
= 6 + 40
= 46
