Can't see the graph can you make it more clear?
Answer:
xn = n·(n + 1)/2
Step-by-step explanation:
Answer:
true
Step-by-step explanation:
Answer:
(3x - 2)(3x + 2)
Step-by-step explanation:
9x² - 4 ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b)
Thus
9x² - 4
= (3x)² - 2²
= (3x - 2)(3x + 2) ← in factored form
