MarionaT519863 MarionaT519863

25-10-2022
Mathematics

contestada

Which expression is equivalent to (3x + 8)^2 – (x – 7)?A. 9x ^2 + 47x + 57B. 9x ^2 + 47x + 71C. 9x ^2 - x + 57D. 9x^2 - x + 71

Respuesta :

SeleemN668811 SeleemN668811

25-10-2022

SOLUTION

The given expression is

[tex](3x+8)^2-(x-7)[/tex]

This is simplified as

[tex]\begin{gathered} 9x^2+48x+64-x+7 \\ =9x^2+48x-x+64+7 \\ =9x^2+47x+71 \end{gathered}[/tex]

Therefore the given expression is equivalent to

[tex]undefined[/tex]

Answer Link

Otras preguntas

In which states do the highest numbers of recent immigrants live?

Organisms without exonuclease activity would replicate somewhat faster than other organisms, since time would not be spent checking newly synthesized DNA and ex

a. How do you think the citizens from different tribes felt when the United Arab Emirates was declared?

A store sells about 30 pants each week for Nu 800 each. The owner expects to lose one sale each week for every increase in price of Nu 40. a) Write an expressio

find the slope of this line

Which represents the solution set to the inequality 5.1(3 + 2.2x) > –14.25 – 6(1.7x + 4)? x < –2.5 x > 2.5 (–2.5, ∞) (–∞, 2.5)

A store sells about 30 pants each week for Nu 800 each. The owner expects to lose one sale each week for every increase in price of Nu 40.a) Write an expression

What are the most important facts that support Lambert's Position that a contract existed?

Simplify (9y²-x² )÷ (xy+3y²)

Can someone please help me with this question also explain the answers I am so confused thank you.