Register
5h2 – 5h - 15 = 0 Solve by completing the square.
204k views
2 votes
5h2 – 5h - 15 = 0
Solve by completing the square.

User Rafael Delboni
by
8.1k points

1 Answer

3 votes


5 {h}^(2) - 5h - 15 = 0 \\ 5 {h}^(2) - 5h = 15 \\ \frac{5 {h}^(2) - 5h}{5} = (15)/(5) \\ {h}^(2) - h = 3 \\ {h}^(2) - h + (1)/(4) = 3 + (1)/(4) \\ {(h - (1)/(2)) }^(2) = (13)/(4) \\ h - (1)/(2) =±(√(13))/(2) \\ h = ±(√(13))/(2) + (1)/(2)

User Rizan Zaky
by
8.1k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
Link Copied!