sofiamnovikova sofiamnovikova

22-02-2020
Mathematics

contestada

Find the * please.
(2a + ∗)(2a - ∗) = 4a2–b2

Relax

Respuesta :

omeiza2018 omeiza2018

22-02-2020

Answer:

b

Step-by-step explanation:

(2a + ★)(2a - ★) =4a²-b²

If you substitute b for ★ in the equation. We have;

(2a + b)(2a - b) = 4a² - b²

4a² - 2ab + 2ab -b² = 4a²-b²

4a²-b²= 4a² - b².

So 'b' is correct

Answer Link

Otras preguntas

Why do cells need a selectively permeable barrier?

Critics of the U.S. response to terrorism prior to 9/11 claimed all of the following except,... the U.S. borders were too loosely regulated civil rights are fun

45% of 20 is what number

If y=x^2,what is equivalent to x^12

how many km are equal to 3,400 m

a garden has 2 yellow rose plants. these rose plants represent 1/8 of the plants in the entire garden. how many plants are in the entire garden?

Help me with 5c+4c+c

Which civil rights leader was unwilling to compromise his demand for full equality for blacks? A. Booker T. Washington B. Marcus Garvey C. W.E.B. DuBois D. Geor

Why are drums so important in many African cultures?

Is a canned soft drink in fl. oz. , cup , pt, qt, or gal. ? PLEASE HELP !!!!!!!!!!!!!!!!!!!