tomoe81 tomoe81

16-10-2020
Mathematics

contestada

if x=3 and y=2 then find the value of 2x²-xy+y²-4x

Respuesta :

16-10-2020

Answer:

4

Step-by-step explanation:

Put x = 3 and y = 2 to the expression 2x²- xy+y²- 4x:

2(3)² - (3)(2) + 2² - 4(3) use PEMDAS

=2(9) - 6 + 4 - 12

= 18 - 6 + 4 - 12

= (18 + 4) - (6 + 12)

= 22 - 18

= 4

Answer Link

Otras preguntas

for the love of God help me !! I'm desperate for it tomorrow

Which of the following is NOT a factor used to classify climates in the Koeppen classification system? A. Temperature B. Moisture C. Wind D. Vegitation

There are 700 students at Washington High School. You survey 75 randomly selected students and find that 60 plan to go to collage after graduation. How many stu

why is it difficult to transport goods on the rivers in Africa?

Solve the inequality q - 12 > - 13

montains,islands, and plateaus are all kinds of w

Imagine two artificial satellites orbiting earth at the same distance. one satellite has a greater mass then the other one which of the following would be true

why is it difficult to transport goods on the rivers in Africa?

How to solve 5x - 4y = 42 and x - 6y = 24 using the elimination method

What is 200% of 120? ANSWER AS SOON AS POSSIBLE!!! Thank you! :p