Question

help! what is x^2-x+4+x+2x^2+3x-1

x=2

Answer 1

OK

Answer 2

so now it is 2^2-2+4+2+2(2)^2+3(2)-1

Answer 3

4-2+4+2+2(4)+6-1

Answer 4

4-2+4+2+8+6-1

Answer 5

2+4+2+8+6-1

Answer 6

6+2+8+6-1

Answer 7

8+8+6-1

Answer 8

16+6-1

Answer 9

22-1

Answer 10

your answer is 21 :)