menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Simplify (2√5 + 3√7)² Show your work. Justify each step.
asked
Oct 11, 2018
145k
views
1
vote
Simplify (2√5 + 3√7)² Show your work. Justify each step.
Mathematics
high-school
Trant
asked
by
Trant
8.3k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
5
votes
We can think of roots as x. For example, 2
can be 2x. Just treat it the same way. (but not the exact numbers!)
(2√5 + 3√7)²
(2√5 + 3√7)(2√5 + 3√7)
Distribute.
4√25+6√35+6√35+9√49
Simplify.
4(5)+12√35+9(7)
30+63+12√35
83+12√35 is your answer.
Ruben Serrate
answered
Oct 16, 2018
by
Ruben Serrate
8.4k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Nov 28, 2017
185k
views
(2√5 + 3√7)^2 show your work and justify each step. Thank you!
EnToutCas
asked
Nov 28, 2017
by
EnToutCas
8.0k
points
Mathematics
high-school
2
answers
2
votes
185k
views
asked
Oct 11, 2024
105k
views
A) 5√5-2√5 b) 8√7 + 3√7
Eric Fode
asked
Oct 11, 2024
by
Eric Fode
8.8k
points
Mathematics
high-school
1
answer
2
votes
105k
views
asked
Oct 8, 2024
2.6k
views
Find the Perimeter and area of the redangle Length = 3√7+3√5 width=2√7-2√5
Chmurli
asked
Oct 8, 2024
by
Chmurli
7.6k
points
Mathematics
college
2
answers
0
votes
2.6k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Write words to match the expression. 24- ( 6+3)
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org