khanhngocta07hd khanhngocta07hd

04-08-2021
Mathematics

contestada

Giải các bất phương trình và biểu diễn tập nghiệm trên trục số
(X-1)(x+2)>(x-1)(x-1) +3

Respuesta :

rich99coms rich99coms

04-08-2021

(x-1)(x+2)=(x-1)(x-1)+3
x2-x+2x-2=x2-x-x+1+3
x2+x-2=x2-2x+4
X+2x=4+2
3x=6
3x/3=6/3
x=2

Answer Link

Otras preguntas

Kira is trying to drink more water and juice each day. The difference in the amount of water in a jug and the amount of juice in the bottle she is drinking from

What is the purpose of randomly sampling from a target population?.

Which of the following is the best definition of summarizing? A. A summary is a brief restatement of the most important details in a text. B. A summary is an in

What would 216^{2/3} be simplified?

police officer : enforce :: A father : teach B television : inform C judge : uphold D politician : destroy

Write an expression equivalent tox^2+6x-7x

During the bleak winter months, Candy has decided to take up running every morning. Besides the obvious boost to her physical wellness, in what other aspect of

Water __________ is the addition of wastes or dangerous materials to a body of water. A. quality B. shortage C. supply D. pollution

At the end of “The Chrysanthemums,” Elisa whispers, “That’s a bright direction, There’s a glowing there.” Write an essay explaining what you think Elisa means b

By sprouting in the rainforest canopy, the strangler fig seedling is exposed to more