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

Ch 1 & 2 - Terms AND article summary (Essential Criminal Law) - due on 1/31 before class begins. Remember you are to type out ten (10) terms from the chapt

What term means too much medicine in the body? a) Tolerance b) Overdose c) Toxicity d) Resistance

how did the rotation get lost joke

let f(x) = √{2x-6}/{x-3}. find the smallest integer value a such that f(a) has a real number value.

Spine and sternum are difficult to visualize of standard PA films because of...a) Excessive inspirationb) Incorrect collimationc) High exposure settingsd) Patie

How many syllables are in a haiku? a) 12 b) 17 c) 24 d) 32

f(x) = 2^x + 1 What's the average rate of the domain: 1≤ x ≤ 5 for the problem

I don´t have a question, I just wanted to say: whoever is reading this message at this moment, you are worth it, you are amazing, and someone out there cares ab

Ko Ko paid $84.70 for 8 pens and 5 pencils. The total cost of a pen and a pencil was $11.90. Yu Yu bought 2 pens and 7 pencils. How much did she pay for these i

Larry's father has five sons. Their names are One, Two, Three, and Four. What is the name of the fifth son? a) Larry b) Five c) Four