Question

write the formula (a-b)² and (a²-b²)​

Answer 1

Formula

( a-b) ka square = a(ka square) - 2ab + B( ka square)

(a( ka square) - B( ka square) )

(a+b) (a-b)

Answer 2

Answer:

$a {}^{2} - b ^{2} = (a + b)(a - b)$

$(a + b) {}^{2} = a {}^{2} + b { }^{2} + 2ab$

See my bi0