## Algebra 1

$-8x^2+3xy+(-9x)+(-3)$
To turn the example into an addition problem (a sum), change the minus signs to plus signs, and then change the sign of each of the following terms. $\ \ \ \ \ \ \ \ \$subtract 3 becomes add -3 $-8x^2+3xy\underset\uparrow-9x\overset\downarrow-3=-8x^2+3xy+(-9x)+(-3)$ $\ \ \ \$subtract 9x becomes add -9x