Question

8(a+b)²-18(a-b)² factorise​

Answer 1

Answer:

$2( - 5 {a}^{2} - 5 {b}^{2} + 26ab$

Step-by-step explanation:

$8( {a + b}^{2}) - 18( {a - b}^{2} ) \\ = 8( {a}^{2} + {b}^{2} + 2ab) - 18( {a}^{2} + {b}^{2} - 2ab) \\ = 8 {a}^{2} + 8 {b}^{2} + 16ab - 18 {a}^{2} - 18 {b}^{2} + 36ab \\ = - 10 {a}^{2} - 10 {b}^{2} + 52ab \\ = 2( - 5 {a}^{2} - 5 {b}^{2} + 26ab) \\ \\ hope \: it \: helps \\ plz \: mark \: as \: brainliest \\ and \: plz \: follow \: me$

Answer 2

Answer:

2(5a-b)(5b-a) this is the answer of this question