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
Answer:
780
Step-by-step explanation:
round up to the nearest ten
30 + 70 + D = 180
100 + D = 180
D = 80°
What? I don’t understand what you’re asking.