Question

simplify:(2.5a-1.5b)² -(1.5a-2.5b)²​

Answer 1

Answer:

4(a^2-b^2)

Step-by-step explanation:

this is the step by step explanation that shows in above pitcher

Answer 2

Step-by-step explanation:

(2.5a-1.5b)² -(1.5a-2.5b)²

=[ (2.5a)^2+(1.5b)^2-2*2.5a*1.5b] - [ (1.5a)^2+(2.5b)^2- 2*1.5a*2.5b]

= (6.25a^2+2.25b^2-7.5ab)- ( 2.25a^2+6.25b^2-7.5ab)

= 6.25a^2+2.25b^2-7.5ab-2.25a^2-6.25b^2+7.5ab

everthing gets cancelled so the answer is zero..

hope this helps you to..

please mark this answer Brainliest ..