Question

algebra question 3a - 4b​

Answer 1

4b-3a

4+3=7

a+b=1

7+1=8

hence,3a-4b=8b

Answer 2

Answer:

ANSWER

Given, (3a−4b).

On squaring, we get, (3a−4b)² .

We know, (x+y)² =x ² +y ² +2xy.

Then,

(3a−4b)²

=(3a)² −2(3a)(4b)+(4b)²

=9a² −24ab+16b² .