October12 October12

15-03-2016
Mathematics

contestada

25x^2+1=5 quadratic

Respuesta :

olemakpadu olemakpadu

15-03-2016

25x² + 1 = 5

25x² + 1 - 5 = 0

25x² - 4 = 0 By difference of two squares

(5x)² - (2)² = 0

(5x - 2)(5x + 2) = 0

5x - 2 = 0 or 5x + 2 = 0

5x = 0 + 2 5x = 0 - 2

5x = 2 5x = -2

x = 2/5 x = -2/5

x = 0.4 x = -0.4

x = + 0.4 or -0.4

Answer Link

Otras preguntas

why do liquids flow? A. Liquid particles are wet. B. Liquid particles are smooth. C. Liquid particles are not fixed in place. D. Liquid particles are attra

drawing a conclusion based on information presented is calledinterfering inferring answering concluding

When a particular non-zero integer is substracted from it's square, the result is neither negative nor positive. What is the integer?

What two reasons would cause you not to give a customer a quote

Eva would like to add paper streamer around the edge of a round table. The table covers an area of 19.5 square ft. What is the minimum length of the paper strea

Pedro sells wooden children's furniture at a crafts market.He charges $65 for a chair.The materials for a chair cost $45 and there is a $75 fee for a booth at t

What is not a cognitive milestone of teenagers as they head into late adolescence? a. They take others into consideration when making decisions. b. They thin

In volleyball what is a serve that results in an immediate point called

True or False: The Trojan War is a proven historical event

I am an even factor of 24. I have only 2 factors. Which number am I?