xpnjz5nbcw xpnjz5nbcw

23-08-2021
Mathematics

contestada

Select all solutions to the equation (2x — 4)(x + 5) = 0.

x = -1/2

x = 1/2

x = -2

x = 2

x = -5

x = 5

Respuesta :

mahrezrokaya mahrezrokaya

24-08-2021

Answer:

(2x-4) (x+5)=0

2x(x+5) -4(x+5)=0

2x^2+10x-4x-20=0

2x^2+6x-20=0

x^2+3x-10=0 ( Taking common of 2 )

x^2+(5-2)x-10=0 • (3=(5-2)x)

x^2+5x-2x-10=0

x(x+5)-2(x-5) =0 • Taking common

(x+5)(x-2) =0

so x=-5 or x=2.

Answer Link

Otras preguntas

For the poems "When I Heard the Learn'd Astronomer" by Walt Whitman and "324" by Emily Dickinson, brainstorm a list of three important similarities and three im

Main function of a conjunction

An airplane flies 170 miles in 2 hours 42 minutes. What is its average speed in miles per hour?

PLEASE HELP WILL MARK BRAINLIEST | Describe how the respiratory system exchanges carbon dioxide and oxygen in the lungs. Include the words carbon dioxide, lungs

Find the missing terms in the sequence. 3, 5, 9, 15, 23, 33, 5, 59, 75,_. 113 , PLS ANSWER FAST

Which sentence is punctuated correctly? A.Antonia, you baked these delicious peanut butter cookies just for me no? B.Marcus and Amir, really played well in last

could anyone answer this math question for me?

Heat, acids, bases, salts, or mechanical agitation can unfold, change the shape or ________ proteins but none of these factors changes the primary structure of

Can anyone help me with writing a paragraph about life Outremer? please help if you can, i will be so happy and appreciative

Convert 75 inches to feet. There are 12 inches in a foot.