Question

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$3 { }^{ 2} - 6 {}^{2} =$

Answer 1

Heya ✋

$3 ^{2} - 6 ^{2} \\ we \: know \: that \\ a ^{2} - b ^{2} = (a + b)(a - b) \\ = (3 + 6)(3 - 6) \\ = 9 \times ( - 3) \\ = - 27$



Thanks :))))

Answer 2

Hey dear!


Here is yr answer.....


=> 3² - 6²


It is in the form of -------

[ x² - y² = (x+y)(x-y) ]


x = 3 , y = 6


=> (3+6)(3-6)

=> (9)(-3)

=> -27



Hope it hlpz....