10 is the missing number.
Answer:
2x² - 3x - 2
Explain:
Use the FOIL method: (a +b)(c +d) = ac + ad +bc +bd.
2x² + x - 4x - 2
Collect like terms.
2x² + (x - 4x) - 2
Simplify.
2x² - 3x - 2
Domain: (-infinity, +infinity)
range: (0, +infinity)
I think it’s 3x
Hope it helps
Step-by-step explanation:
2x²-4x=0
2x²=4x
2x=4
x=2
option C