QuestionMaker QuestionMaker

02-12-2017
Mathematics

contestada

A positive number is 30 less than its square. Find the number.

SHOW WORK OR YOU DONT GET ANY POINTS

Respuesta :

smartguy0365 smartguy0365

02-12-2017

x = x^2 - 30

or

x^2 - x - 30 = 0
Factors to
(x-6)(x+5) = 0

x = +6 is the positive number

Answer Link

Otras preguntas

If Theresa's daughter is my daughters mother then who am I to Theresa?

When is the absolute value of a difference equal to the difference of the absolute values?

how can i show my work for 2x-4= -10+x

the height of wind formed waves depends on what three things?

125/700 in simplest form

what is 7x7x7x7x7x7 in exponential form

Reid ate 1/4 if pie, joe ate 1/3 of pie. How much was left after they both ate their pieces

3 - 3 × 6 + 2 = what

What were the hazards and uncertainties of organized industrial labor?

Seven out of every 8 students surveyed owns a bike. The difference between the number of students who own a bike and those who do not is 72. How many students