if term is divided out on the left side of an equation or inequality it also be divided out on the right side . Is called what ?

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.

4x and 6y

im not sure though

correct answer:

b.(19,-2)