shanmugamsundaram436
shanmugamsundaram436 shanmugamsundaram436
  • 21-05-2021
  • Mathematics
contestada

20. If x=2a+3b and y = 20-3b, find (x+y)(x-y).​

Respuesta :

olloyd
olloyd olloyd
  • 21-05-2021

Answer:

i think 38

Step-by-step explanation:

Answer Link

Otras preguntas

9-3(y-2)=3-3y true or false
Can someone plz help me with this one!!!!
A grizzly bear sheds 20% of its weight from hibernation in three weeks, which is 80 pounds. What was the bear’s initial weight?
Explain lymphatic system ​
There is 321 grams of H2SO4, how many molecules is this?
Sheila has a bag of 40 marbles. 10 of them are blue, 12 of them are green and the rest of them are red. What is the probability that Sheila will get a red marbl
Read the text then answer the question that follows: Wild animals as viewed from a mountain camp—Camille Grant, October 2011 Through my binoculars, I viewed a g
The sum of eli's age and cecil's age is 15. In 25 years, their combined age will be a total of twice eli's age and 4 times cecil's. How old is cecil?
The body expends (uses) 10% to 20% of calories to fuel vital metabolic activities, including: building and repairing tissues, breathing, circulating and filteri
2. Find the glven angle, to the nearest degree. 48 ? 50