Q: "Simplify the following expression (2x+y-z)^2-(2x+y+z)^2"
As a simplified expression is
A: -8xz - 4yz
Hopefully this helps you ^0^
Answer:
X=3,1/4
Step-by-step explanation:
4x²-(12+1)x+3=0
or,4x²-12x-x+3=0
or,4x(x-3)-1(x-3)=0
or,(4x-1)(x-3)=0
Either,4x-1=0➡️ 4x=1
X=1/4
OR,x-3=0➡️ X=3
Answer:
The answer is 
.
Step-by-step explanation:
Multiply the coefficient of the squared term and the constant. Then, find the factors that add up to 12:
Split the middle term:
Factor by grouping:
![[4x^2+6x]+[6x+9]\\2x(2x+3)+3(2x+3)\\(2x+3)(2x+3)\\(2x+3)^2](https://tex.z-dn.net/?f=%5B4x%5E2%2B6x%5D%2B%5B6x%2B9%5D%5C%5C2x%282x%2B3%29%2B3%282x%2B3%29%5C%5C%282x%2B3%29%282x%2B3%29%5C%5C%282x%2B3%29%5E2)
Answer:
The time a student learns mathematics is important for their score
Step-by-step explanation:
Observe the boxes diagrams. Where the horizontal axis represents the score obtained by the students in the test.
The vertical lines that divide the boxes in two represent the value of the median.
The median is the value that divides 50% of the data.
For the class of the morning the value of the median is 50 points, with a maximum value of 80 and a minimum value of 10.
For the afternoon class, the median value is 65 points with a minimum value of 30 and a maximum value of 100.
This indicates that in general, the highest number of high scores were obtained in the afternoon class.
Therefore it can be said that the time a student learns mathematics is important for their score
