Answer:
The answer is the option B

Step-by-step explanation:
we know that
The formula to solve a quadratic equation of the form
is equal to
in this problem we have
so
substitute in the formula
Answer:
Step-by-step explanation:
Answer:

Step-by-step explanation:

→ Expand brackets

→ Add 8 to both sides to collect the whole numbers

→ Add -4m to both sides to collect the m terms

→ Divide both sides by -10 to isolate m
