Which quadratic equation is equivalent to (x + 2)2 + 5(x + 2) – 6 = 0?

u2 + 5u – 6 = 0 where u = (x + 2)

Step-by-step explanation:

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.

angle addition postulate

2x=56

step-by-step explanation: