N; n+1; n+2 - 3 consecutive numbers
n(n + 1) = (n + 2)² - 19 |use a(b + c) = ab + ac and (a + b)² = a² + 2ab + b²
n² + n = n² + 4n + 4 - 19 |subtract n² from both sides
n = 4n - 15 |subtract 4n from both sides
-3n = -15 |divide both sides by (-3)
n = 5
n + 1 = 5 + 1 = 6
n + 2 = 5 + 2 = 7
Answer: 5; 6; 7.
600,000,000+ 70,000,000+ 200,000+ 600+ 40
Answer: look at the ss :))
Step-by-step explanation:
Answer:
-4
Step-by-step explanation:
t2 - t1
-13 - (-9)
-13 + 9
= -4
