jomilojuangel jomilojuangel

14-02-2019
Mathematics

contestada

given that (2x-1)(x+5)=2x^2-mx-5, what is the value of m

Respuesta :

14-02-2019

expand the left side
2x(x + 5) - 1(x + 5) = 2x² - mx - 5
2x² + 10x - x - 5 = 2x² - mx - 5
2x² + 9x - 5 = 2x² - mx - 5
cancel 2x² and -5
9x = - mx

m = -9
sorry i was wrong, my mistake hehe

Answer Link

Otras preguntas

How does socialism and communism differ?

change the decimal to a precent 0.0318 show work anr list steps at the side

why would other countries want to claim parts of north America

several solutions of nickel (II) sulfate ranging from 1.00M to 0.200 M are exposed to light in a colorimeter and their absorbance is recorded in a Beer-Lambert

Select all the points that represent a solution to the linear inequality −2x − 3y ≥ 8. Select one or more: A. (-9, 8) B. (-4, 0) C. (-2, 5) D. (0, -3) E. (7, -1

What is the value of x?

Can anyone help me please? It’s urgent. Worth 20 points!

The National Association for the Advancement of Colored People was founded as a direct response to

PLEASE HELP FOR MY GERMAN HOMEWORK

How can twins be identical? A. They have the same genetic information. B. They are raised in the same environment. C. They have the same parents. D.