02-10-2020
Mathematics

contestada

Solve the quadratic equation x(x+1)=8-x. Write your answer as a whole number or fraction

Respuesta :

mustapha16 mustapha16

02-10-2020

Answer:

x=-4 or 2

Step-by-step explanation:

x(x+1)=8-x

x^2+x=8-x

x^2+2x-8=0

x^2+4x-2x-8=0

x(x+4)-2(x+4)

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

x-2=0

x=2

or

x+4=0

x=-4

Answer Link

Otras preguntas

what is the slope of (2 , -2) (0,4)

can u plz help i need the unser right now!!

Determine the standard form of the equation of the line that passes through (-7,8) and (0,2)

Read the passage from “Initiation.” "Get up, gopher," Bev ordered. There was something about her tone that annoyed Millicent. It was almost malicious. And there

Can someone help me please

Before starting kindergarten, Tina had to receive shots to protect her from an infectious disease called measles. Does Tina now have active or passive immunity

how to solve system of equation from a table

What are the four main legal structures for a business in the United states

What is the recommended weight limit according to NIOSH’s lifting equation for most patient-lifting tasks? A. 50 pounds B. 35 pounds C. 100 pounds D. 45 pou

To synthesize means