chloejubilee310 chloejubilee310
  • 23-10-2018
  • Mathematics
contestada

Find the product of (3x+7y)^2
A) 9x^2 - 42xy + 49y^2
B) 9x^2 - 49y^2
C) 9x^2 + 49y^2
D) 9x^2+42xy+49y^2

Respuesta :

trevordoyleione
trevordoyleione trevordoyleione
  • 24-10-2018

(3x+7y)²  the form is  ax² + 2ab + b² where a is 3x and B is 7y

so its

(3x)² + 1(3x)(7y) + (7y)²

9x² + 21xy + 49y²


Answer Link
JackieChan914 JackieChan914
  • 07-02-2019

Answer:

9x^2 − 42xy + 49y^2

Step-by-step explanation:


Answer Link

Otras preguntas

If you flip a coin and roll a 6-sided die, what is the probability that you will flip a heads and roll at least a 3?
Jane Addams founded the Hull House in 1889, with the primary goal to Question 7 options: support newly freed former male slaves improve the lives of poor immigr
Why is the drc called the natural zoo of the world?
Can someone help me with these
What impact did the crusades have on the Eastern and Western worlds?
$65 digital camera marked up 50%
which statement best explains what must take place for water to boil
The second step in the process for x^2-5x-36 factoring the trinomial is to: A. find the sum of the factors of 5 B. list all the factors of the 5 C. fi
The symbol dg stands for
What is the area of this figure? 49.5 in² 66.5 in² 84 in² 91 in²