Question

-14rst + 22r²s - 4rs²t =

Don’t forget to take out the numerals and symbols

Its easy but each Time I do It It says its wrong(((

Answer 1

Explanation:

-14rst + 22r²s - 4rs²t = -2 * 7 * rst + 2 *11 *r²s - 2 * 2 rs²t

= -2rs [ 7t -11r + 2st ]