the coefficient of X in the quadratic equation X square + PX + q = 0 was taken as 17 in place of 13, it's roots were found to be -2 and -15. Find the roots of the original equation?

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

shift 4 units up, and 1 unit left.

it will translate f(x) = 3^x to g(x) = 3^(x+1) + 4