duelmonsters22 duelmonsters22

25-06-2021
Mathematics

contestada

(X+2)(X+3)(X+4)=990

I know that x=7 but how do i solve it without substitution?

ie. i don't want to use y=x+3 where 990=(y-1)(y)(y+1)

Respuesta :

ferrybukantoro ferrybukantoro

25-06-2021

Step-by-step explanation:

foctorized 990 = 9×10×11

so, (X+2)(X+3)(X+4)=9×10×11

we can choose one of the factors, and get the answer with the same x values

x+2 = 9 , => x =7

x+3 = 10, => x = 7

x+4 = 11, => x = 7

Answer Link

Otras preguntas

why is it important to study chemical reactions in closed containers

homer is saving for a harmonica. he already has 15$ saved and intends to save 4$ each week. the equation for the amount of money y he had saved is y = 4x + 15,

A socialist believes that wealth should be spread evenly throughout society. what characteristic of socialism is designed to achieve this goal? a. the governme

which characteristic of good leadership is demonstrated when a president acknowledges that triumphs were done not for personal glory ,but for the good of the am

What is the rate of change between the interval of x = 0 and x = pi over two? graph below 2 over pi pi over two pi over four four over pi

__________________ is the ability to maintain your vehicle within your lane

_________ is a whirling storm that forms over the ocean in tropical regions. A: Tsunami B: hurricane C: tornado D: earthquake

Solve for y. 3y – 12 = –30???? A -6 B -2 C 2 D 32

Will Upvote!!!!!!!!!! Which of the following is true of a reliable study? A. Results that are produced are inconsistent. B. Unrelated questions are answered in

Foreign soldiers who fought for pay the american revolution