Answer:

Step-by-step explanation:
Answer:
for a. you will first solve 5x²-2x+6 with
x=-b ± ✓b²-4ac
----------------
2a
then put the two answers you will get into a bracket then multiply it with 1/2x - 1\4
then write in form of dis :- A ×10^n
Step-by-step explanation:
b. the two products are not the same
(8x+28)-(3x-2)
combine the variables and numbers.
5x+30
Answer:
46.6%
Step-by-step explanation:
15 - 8 = 7
7/15 = 0.466666...
4.666... x 100 = 46.6%
Answer:
9.830
Step-by-step explanation:
I'm not sure if it's right but hope this helps you