alexisjordn02 alexisjordn02

07-02-2018
Mathematics

contestada

What is the only solution of 2x2 + 8x = x2 – 16?

Respuesta :

mathmate mathmate

07-02-2018

Simplify and solve quadratic equation:

[tex]2x^2+8x=x^2-16 => x^2+8x+16 => (x+4)^2=16 => x={-4,-4}[/tex]
So numerically the only solution is x=-4.

However, mathematically, there are two solutions, {-4,-4}, or x=4,multiplicity 2.

Answer Link

amin282 amin282

16-01-2020

Answer:

(-4,-4)

Step-by-step explanation:

Answer Link

Otras preguntas

What's the circumference of the world

the five original new England colonies were

Did Mary, Queen of Scots have any children with Francis Valois?

what is 42789 x 54678

there are 750 students in class 7 and 625 students in class 8 what percent is class 7 of the class 8?

At tire depot a pair of new tires sells for $216.The manager's special advertises the same tires selling at a rate of $380 for 4 tires. How much do you save per

How did the government try to regulate consumption during the war?

What is the solution set for the given inequality if the replacement set for r is {5, 6, 7, 8, 9, 10}? 2r ≤ 3r – 8 A. {8, 9, 10} B. {5, 6} C. {5, 6,

Who were the Dutch settlers who were pushed north into Africa by the British? A Zulu B Boers C Sepoys D Boxers PLEASE HELPP! :)

What was the three-fifths compromise?