Answer:
<h3>
X = 2 , X = -3</h3>
Option C is the correct option.
Step-by-step explanation:

Discriminant = 
Given d = 15
When discriminant D > 0 --> roots are real and distinct. ( unequal )
So ,
option has real and distinct roots.
Hope this helps..
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Answer:
5
Step-by-step explanation:
7.5/3= 2.5
2.5 x 2 = 5
Answer:
10 weeks
Step-by-step explanation: 100÷10=10
big brain
Step-by-step explanation:
5n-2
5(4) - 2
20-2=18
A= 18
5n - 2 =48
5n=48+2
5n=50
divide by 5
n= 10
B=10
Answer:
7.8*10^7
1.0 * 10^4
Now divide 7.8/1.0 and the power goes up to be subtracted
=7.8 * 10^(7-4)
= 7.8 * 10^3