Question

(a+b) (a-b)
$(a + b) {}^{2}$
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Answer 1

( a + b ) ( a - b ) =

$a ^{2} - b^{2}$

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

Answer 2

Answer:

Here is your answer.

Step-by-step explanation:

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

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

Hope it's helps you.