lambemily03 lambemily03

21-11-2016
Mathematics

contestada

The solutions to the equation 2x(squared) + x - 1 = 2 are x=-3/2 and x = ?
What is the missing solution?

Respuesta :

tibboyz123 tibboyz123

21-11-2016

2x² + x - 1 = 2
2x² + x - 3 = 0
2x² - 2x + 3x -3 = 0
2x(x-1)+3(x-1)=0
(2x+3)(x-1)=0
x = -3/2 , x=1
Hence, the missing solution is x=1

Answer Link

Otras preguntas

what is a wave that bounces back from a barrier called?

What two groups of people received the most help from the Second New Deal? -the wealthy -minorities -unemployed -women

The base of a parallelogram is28.4 centimeters the height is one fourth of the base. What the area of the parallelogram?

Prove: In an equilateral triangle the three medians are equal.

How do you say 'What is in your bedroom?' in French

. Which equations show direct variation between x and y? Choose all answers that are correct. A. 3x = Y B. Y = 4.2/x C. y/x = 6 D. Y =0.5x + 9

Why is chief becoming more important than a hunter in lord of the flies? (ch7)

For each term or name, write a sentence explaining its significance. • Pachacuti • ayllu • mita • quipu

Describe how is an organism's food and habitat related

a) Calculate the volume of the tent. b) How much nylon is required to make this tent?