Answer:
Step-by-step explanation:
x²+6x = 18
coefficient of the x term: 6
divide it in half: 3
square it: 3²
add 3² to both sides to complete the square and keep the equation balanced:
x²+6x+3² = 18+3²
(x+3)² = 27
x+3 = ±√27 = ±3√3
x = -3±3√3
Answer:
Step-by-step explanation:
The answer is 43.7
Answer:
c.12/7
Step-by-step explanation:
Answer:
whats the question
Step-by-step explanation: