Question

2x elevado a 2 -4x+6 para x=2

Answer 1

2x²-4x-x=-6+2
4x-4x-x=-6+2
x=-4

Answer 2

2x² - 4x + 6

2 • 2² - 4 • 2 + 6

2 • 4 - 8 + 6

8 - 8 + 6

0 + 6

6