Simplify the following polynomial expression: 3x2+2x−1+5x2−3x+4
Then, perform addition or subtraction within each group: 8x2−x+3
Step 1 :First, group like terms together: (3x2+5x2)+(2x−3x)+(−1+4)
Step 2 :Then, perform addition or subtraction within each group: 8x2−x+3