Answer:
(x+3)²-11=0
Step-by-step explanation:
0=9(x2+6x)-18
0= 9x² +54x-18
0= 9( x²+6x-2) taking 9 common
0= x² +6x-2 (breaking the mid term to find the second element of the square
0 = (x)² +2(x)(3) +(3)² -2 -9 adding and subtracting the second element
0= (x+3)² -11 summing up
Answer:
380.13
Step-by-step explanation:
area= (pi)x(r^2)
pi times r squared
Answer: d-9
Step-by-step explanation: d equals the savings so it says she spent four dollars and then five, so just add those and subtract it from the savings
