Pre-Algebra Examples

Add (6x^3+4x+x^2-7)+(2x^3-8x^2+3)
(6x3+4x+x2-7)+(2x3-8x2+3)
Step 1
Remove parentheses.
6x3+4x+x2-7+2x3-8x2+3
Step 2
Add 6x3 and 2x3.
8x3+4x+x2-7-8x2+3
Step 3
Subtract 8x2 from x2.
8x3+4x-7x2-7+3
Step 4
Add -7 and 3.
8x3+4x-7x2-4
 [x2  12  π  xdx ]