sofiamnovikova sofiamnovikova
  • 22-02-2020
  • Mathematics
contestada

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

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

The perimeter of rectangle ABCD is 256 inches. Its length is 3 times as long as its width. Find the area of triangle ABC.
A price ceiling placed on rent??
Naima guesses there are 120 nickels in a jar, but there were actually 125. What was her percent error ?
What about you? What will you do? Why?
What statement is always true? A the sum of 2 irrational numbers is rational B the product of 2 irrational numbers is rational C the sum of 2 rational numbers i
imagine you are reading a journal written by a women during the time of the American Civil War. If you were to use this as historical evidence, why would it be
A. 2:3 B. 3:2 C. 2:5 D. 5:2
Explain how to solve the equatuon 312.50= a + 0.25a to find the value of a.​
A(n) ______ is a hacker whose intention is the exploitation of a target computer or network to create a serious impact, such as the crippling of a communication
Determine the percent yield for the reaction between 28.1 g of Sb4O6 and excess C if 17.3 g of Sb is recovered along with an unkown amount of CO