y4nin08 y4nin08

02-11-2020
Mathematics

contestada

Use the quadratic formula to find the roots: -3x^2 + 27x = 42

Respuesta :

sherrydumanew sherrydumanew

02-11-2020

Answer:

x=2,x=7

Step-by-step explanation:

-3x^2+27x=42

x^2-9x+14=0

x^2-2x-7x+14=0

x*(xi2)-7(x-2)=0

(x-2)*(x-7)=0

x-2=0

x-7=0

x=2

x=7

Answer Link

Otras preguntas

Lee and Celia are lab partners. While Celia pours a chemical into a graduated cylinder, some of the chemical splashes onto her arm. What should happen next?

Identify the correct sentence. a. This barbecued rib sauce is more tangier than that sauce. b. This barbecued rib sauce is most tangier than that sauce. c. T

The Cold War was a period of history during which the Allied powers defeated Hitler. the United States and the Soviet Union fought each other. the United States

Which planet has very large dust storms

Solve for X 4X-(9-3X)=8X-1

Which best states a theme of "The Lottery"? a. Lotteries are needed to ensure a good harvest. b. Traditions help people remain civilized. c. People are frien

blank text has a darker apperance than normal texts

what number is greater 0.111 or 1.001. also 1.11 or 1.01

what is the nearest hundred of 403.12

Sharon is 54 inches tall. tree in her backyard is five times as tall as she is. the floor of her treehouse is at a height that is twice as tall as she is. What