Answer:
The answer is 18.
Step-by-step explanation:
9x2=18
a1= 3
d = 8-3 =5
an = a1+d(n-1)
an = 3 +5(n-1)
2031
3000divide100=30x5=150x14=2100
2017+14=2031 w
Did you mean:
= (a - b)(a + b)
= a.a + b.a - b.a - b.b
= a² + ba - ba - b²
= a² - b²