Question

root 112 - root 80 by root 20 minus root 28 is equal to​

Answer 1

Answer:

(√112 - √80 )/ (√20 - √28 ) = - 2

Step-by-step explanation:

(√112 - √80 )/ (√20 - √28 )

= (√2 * 2 * 28 - √2 * 2 * 20 )/ (√20 - √28 )

= (2√28 - 2√20 )/ (√20 - √28 )

= 2(√28 - √20 )/ (√20 - √28 )

= -2 (√20 - √28 )/(√20 - √28 )

= - 2

(√112 - √80 )/ (√20 - √28 ) = - 2