Answer:
x=-2.5,9
Step-by-step explanation:
Set them equal to each other to say 2x^2-9x=4x+45. Get them all on one side to get 2x^2-13x-45. Factor that out to get (x+2.5)(x-9). Set that equal to 0 to get x=-2.5,9
What kinda of math is this so i can answer..
:)
Answer:
18....I hope thats righ
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
10 is 5 less than fifteen.
Sorry if its wrong