Examples
(x2-9)-(x2-5x+6)
Step 1
Step 1.1
Apply the distributive property.
x2-9-x2-(-5x)-1⋅6
Step 1.2
Simplify.
Step 1.2.1
Multiply -5 by -1.
x2-9-x2+5x-1⋅6
Step 1.2.2
Multiply -1 by 6.
x2-9-x2+5x-6
x2-9-x2+5x-6
x2-9-x2+5x-6
Step 2
Step 2.1
Combine the opposite terms in x2-9-x2+5x-6.
Step 2.1.1
Subtract x2 from x2.
0-9+5x-6
Step 2.1.2
Subtract 9 from 0.
-9+5x-6
-9+5x-6
Step 2.2
Subtract 6 from -9.
5x-15
5x-15