abigtendousimp abigtendousimp

14-06-2021
Mathematics

contestada

I need help pls answer:

Express in simplest form:

4(X^2-1)-(X^2-8x-5)

Respuesta :

jimrgrant1 jimrgrant1

14-06-2021

Answer:

3x² + 8x + 1

Step-by-step explanation:

Given

4(x² - 1) - (x² - 8x - 5) ← distribute both parenthesis

= 4x² - 4 - x² + 8x + 5 ← collect like terms

= 3x² + 8x + 1

Answer Link

Otras preguntas

The elevator at the local mall has a weight limit of 1,800 pounds and requires that the maximum person allowance be no more than nine people. Let w represent th

???????????? Can I has h

Rewrite the expression by using grouping symbols. y • 4 + y • z A.4(y + z) B.y • (4 + y) • z C.z(y • 4) D.y (4 + z)

Which substances have atoms of the same element but different molecular structures?A. He(g) and Ne(g)B. K(s) and Na(s)C. O2(g) and O3(g)D. P4(s) and S8(s)

During the time when humans moved from Africa throughout the world, a. birth and death rates were both fairly low. b. population growth was rapid. c. population

If 125% of a number is 425, what is 65% of the number? Can anyone explain this one?

According to one acid-base theory, a base is an(A) [tex]H^+[/tex] acceptor(B) [tex]Na^+[/tex] acceptor(C) [tex]H^+[/tex] donor(D) [tex]Na^+[/tex] donor

Which term identifies a type of nuclear reaction?(A) fermentation(B) reduction(C) deposition(D) fission

Which is greater 0.4 or 0.2

ions containing oxygen are colourless, is this true?