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

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