Answer:
(x + 9)² = 36
Step-by-step explanation:
Given
x² + 18x + 57 = 12 ( subtract 57 from both sides )
x² + 18x = - 45
To complete the square
add ( half the coefficient of the x- term)² to both sides
x² + 2(9)x + 81 = - 45 + 81
(x + 9)² = 36
Answer:
B. The flow rate of the large tank is –10 gal/min, and the flow rate of the small tank is 10 gal/min.
Step-by-step explanation:
three squared minus two thirds

three square = 3 x 3 = 9

Least common factor of 1 and 3 is 3

Three squared minus two third is twenty five by three.
Step-by-step explanation:
the number would be heading towards the -11 because it's to negatives adding together and it's adding them up but as a negative so it u just had 6+5 it equals 11 but u just put the negative