Answer:
Step-by-step explanation:
Because vertical angles are always equal, we want to solve .
We can add 10 to both sides to get .
We can subtract from both sides to get
.
Lastly, we divide both sides by 20 to get .
So, and we're done!
The check is left as an exercise to the reader.
Solution of the given expression is
Correct options are: Start Fraction negative 13 minus Start Root 153 End Root Over 2 End Fraction comma Start Fraction negative 13 + Start Root 153 End Root
Step-by-step explanation:
We need to find solutions of
We need to solve the quadratic equation and find values of x.
Solving:
Rearranging the terms:
Solving the quadratic equation using quadratic formula:
where a = 1, b= 13 and c=4
putting values:
So, Solution of the given expression is
Correct options are: Start Fraction negative 13 minus Start Root 153 End Root Over 2 End Fraction comma Start Fraction negative 13 + Start Root 153 End Root
Keywords: Solving Quadratic Equations
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