Answer:
The first one: 19/15a
second one: b²-4ac = D
Step-by-step explanation:
for first one: take LCM and solve
for second one: you square the expression on both sides then b²= D + 4ac, then when you take 4ac to the left hand side, it becomes b²-4ac= D
Hi there!
If you wanted to show your work, a good idea would be showing what numbers you would approximate or round the two numbers to, and divide the numbers.
Hope this helps!
Answer:
6.27 x 10 ^ 8
Step-by-step explanation:
