Answer:
23
Step-by-step explanation:
5(-2)² - 3(4)/(2(-2))=
5(4) -12/(-4)=
20 + 3 = 23
a = -13/6
Multiply both sides by the same number (15). This clears out the fractions:
-2a 13
15 -------- = 15 ----------
5 15
Then we have -2a(3) = 13, or
-6a = 13, or
its the second one
see image below
