Factorise 4(2a+b)^2 - (a-b)^2
Answers
Answered by
5
4(2a+b)^2-(a-b)^2
=4{(2a)²+(b)²+2×2a×b-{a²+b²-2×a×b}
=4(4a²+b²+4ab)-(a²+b²-2ab)
=16a²+4b²+16ab-a²-b²+2ab
=16a²-a²+4b²-b²+16ab+2ab
=15a²+3b²+18ab
Hope my answer is right!
=4{(2a)²+(b)²+2×2a×b-{a²+b²-2×a×b}
=4(4a²+b²+4ab)-(a²+b²-2ab)
=16a²+4b²+16ab-a²-b²+2ab
=16a²-a²+4b²-b²+16ab+2ab
=15a²+3b²+18ab
Hope my answer is right!
Sandy260:
No, u used wrong steps
Answered by
0
Answer:
your answer is 3(5a+b) (a+b)
Step-by-step explanation:
I hope it is helpful to u.........
Similar questions