omarkilani omarkilani

21-02-2021
Mathematics

contestada

The difference between a number and its square is 20. Find the
numbers.

Respuesta :

icerina006 icerina006

21-02-2021

Answer:

-4 or 5

Step-by-step explanation:

let number be x

x²-x=20

Rearrange

x²-x-20=0

(x+4)(x-5)=0

Separate

x+4=0, x-5=0

x=-4 or 5

Answer Link

Otras preguntas

In Newton’s first law of motion, a moving object that is not acted upon by a net force will

Tommy is tying string on balloons for a party. Each balloon needs 3/4yd of string. How many balloons can Tommy tie if he has 10 yards of string?

Which terms correctly represent a vector quantity and its respective unit? A weight - kilogram B mass - kilogram C momentum - Newton D force - Newton

Why do we think the mound builders were descendants of the Mayans?

Write David a three-paragraph letter in English, and compare Ecuadorian culture and American culture, especially in terms of foods, sports, transportation, popu

Make some inferences as to why you feel the Southern Colonies had the most slaves and why New England had the fewest (hint: consider economic and religious fact

Venetta buys 2 pounds of pistachios and 3 pounds of almonds. The pistachios cost $4 more per pound than the almonds. She pays a total of $48.

What are the first 5 common multiples of 14 and 20

what is the verb of "They might not come to the party"?

1. Describe living and working conditions for immigrant workers, as you understand them from the text. What do you think was the worst part of their experience?