derick78 derick78

12-07-2020
Mathematics

contestada

(a +2b)2 + 4b² - a²

Respuesta :

henryhuangbc henryhuangbc

12-07-2020

Answer:

a^2+4b^2+2a+4b

Step-by-step explanation:

(a +2b)2 + 4b² - a²

=2a+4b+4b^2+a^2

=a^2+4b^2+2a+4b

Answer Link

Otras preguntas

A Car moves 45km in 45 min.What is it speed in kilometres per hour

find the derivative of f(x,y)=x2 y2 in the direction of the unit tangent vector of the curve r(t)=(cos t t sin t)i (sin t−t cos t)j, t>0.

A particle travels along a path made up by two semicircles with same radius of 8 m, as shown. If it travels from rest from point A and its speed is increasing a

The following standards for variable overhead have been established for a company that makes only one product: Standard hours per unit of output 6.9 hours Stand

In the following diagram, What is the measure of ∠x

.In the short run, the firm will A. shut down if the price falls below P3 B. continue to produce as long as the price is greater than P1 C. continue to produce

The written records/literary sources are an important source of history. ”justify in about 4–5 sentences.

A wave will disturb the water to a depth equal toa. one-half of its wavelength.b. its surface amplitude.c. its wavelength.d. the bottom of the seafloor.

A buffer prepared by mixing equal moles of an acid having Ka=4.5 x 10 4 and a salt of its conjugate base has a pH =

Which composers did not employ total serialism in his work?