G(x)=3x^2-2 on (x, x+h)

you can use a^2+ b^2=c^2

first, let's see what the pattern is.

58 - x = 47

46 - x = 36

x = 9

so this means that the term after 25 is 25 - 9:

the next term in the sequence is 16.

8p+(-9)

(-9)3p+5p and you can swith em around