Sign In
Ask Question
Alivia Soto
Mathematics
13 March, 09:35
What is the answer to 3x^2 + 30x+75
+3
Answers (
1
)
Sanaa
13 March, 09:59
0
The answer is 3 (x+5) ^2
Factor out 3 from the original equation
3 (x^2+10x+25)
Then find two numbers that multiply to give 25 and add to give 10. The two numbers are 5 and 5
This gives ...
3 (x^2+5x+5x+25)
Factorise the expression in the brackets
3 (x+5) (x+5)
Combine like terms
3 (x+5) ^2
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Find an answer to your question 👍
“What is the answer to 3x^2 + 30x+75 ...”
in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Write and solve an equation to find the number. The sum of - 5 and a number is - 15. a. -5 + n = - 15; - 10 c. n + 5 = - 15; - 20 b. 5 - n = - 15; 20 d. 5n = - 15; - 3
Answers (1)
To the nearest degree what is the measure of each exterior angle of a regular dodecagon
Answers (1)
How to factor x^2-8x+16
Answers (1)
If a set of data is in the direction of a downward line, which of the following would be the best model for this data? Quadratic regression model Exponential regression model Linear regression model None of the above
Answers (1)
12+21 divides by 3 + (2 of the power of 2 times0
Answers (1)
New Questions in Mathematics
A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?
Answers (1)
I am very confused on how to figure out if y = 3/4x is proportional?
Answers (2)
Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?
Answers (2)
At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?
Answers (1)
Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.
Answers (1)
Home
»
Mathematics
» What is the answer to 3x^2 + 30x+75
Sign In
Sign Up
Forgot Password?