Step-by-step explanation:
X^+5x+8=0
x^2+5x=-8 kajvdvdhxjxjjxjxjxjxhx
Answer:
Follows are the solution to the given point:
Step-by-step explanation:
For option A:
In the first point let z be the number of heads which is available on the first two trails of tosses so, the equation is:

For option B:


Answer:
line 2 of her working
Step-by-step explanation:
when multiplying the brackets out it is a negative times posative so she should have wrote -4 not +4