Question

Which PROPERTY is used in : -19 x -49 With the Answer pls :)

Answer 1

it's closure property

-19 into -49 931

hope this helps u friends

Answer 2

Answer:

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

Step-by-step explanation:

According to the question which property should be used? so,

$(a + b)(a - b)$

will be used like this,

$(34 + 15)(34 - 15)$

$= {34}^{2} - {15}^{2}$

$= 931$

which is your answer...

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