Answer:
x= 4, 2.5(or 5/2)
Step-by-step explanation:
2x²-3x-15=5
-5 -5
2x²-3x-20=0
plug into quadratic equation
(3+13)/4 (3-13)/4
16/4=4 10/4=2.5
Answer:
Answer is 6x-13
Step-by-step explanation:
Given
XZ=8x-18 and RZ=2x+5
XR=XZ-RZ
8x-18-2x+5
8x-2x-18+5
6x-13Ans
The conjecture is each term is the corresponding Roman numeral of the precious term