CelinaCorte
CelinaCorte
31-07-2016
Mathematics
contestada
Multiply
(2x - 5y)^2
Respuesta :
dalendrk
dalendrk
01-08-2016
[tex](2x-5y)^2=(2x-5y)(2x-5y)\\\\=(2x)(2x)+(2x)(-5y)-(5y)(2x)-(5y)(-5y)\\\\=4x^2-10xy-10xy+25y^2=4x^2-20xy+25x^2\\\\or\ use:(a-b)^2=a^2-2ab+b^2\\\\(2x-5y)^2=(2x)^2-(2x)(5y)+(5y)^2=4x^2-10xy+25y^2[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 42+ )
Otras preguntas
Clanacotta, a designing firm, organizes its workforce into departments based on the service the department provides, such as web designing, magazine designing,
11.Use the exponential regression equation that best fits the data ( 10 , 4 ) 10,4 , ( 12 , 20 ) 12,20 , ( 13 , 35 ) 13,35 , and ( 16 , 300 ) 16,300 to est
In humans, glucose may be the product of chemical digestion when what kinds of foods are eaten? A) carbohydrates like bread B) fats like butter and oils C) prot
Can you please answer the question below it is attached below. Thank you
5. Give an example of a job in American society that fits the following criteria. a. High in power, prestige and property: b. High in prestige, but low
Consider a large spring, hanging vertically, with spring constant k = 3220 N/m. If the spring is stretched 25.0 cm from equilibrium and a block is attached to t
I need help on this one tooo
The tone of the speech can best be described as
Which of the following groups supported independence from Great Britain?
Suppose you find a rock that contains some potassium-40 (half-life of 1.3 billion years). You measure the amount and determine that there are 5 grams of potassi
ACCESS MORE
