Question

What must be subtracted from 3a2 – 6ab - 1
to get a2 - 6ab + 2 ?​

Answer 1

Answer:

2a²-3

Step-by-step explanation:

let number be x

according to question

( 3a²-6ab-1 ) - x = a² -6ab +2

=>( 3a² -6ab -1 ) - (a²-6ab+2) = x

=> x = (3a²-a²) -6ab +6ab -1 -2

=> x = 2a² - 3