What is simplify+(x+6)(x-6)-(x+3)(x-3) ?

The solution to simplify+(x+6)(x-6)-(x+3)(x-3) is -27

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simplify+(x+6)(x-6)-(x+3)(x-3)

simplify

+ (x + 6) (x - 6) - (x + 3) (x - 3)

- 27

Solution steps

(x + 6) (x - 6) - (x + 3) (x - 3)

Expand

(x + 6) (x - 6) : x^{2} - 36

= x^{2} - 36 - (x + 3) (x - 3)

Expand

- (x + 3) (x - 3) : - x^{2} + 9

= x^{2} - 36 - x^{2} + 9

Group like terms

= x^{2} - x^{2} - 36 + 9

Add similar elements:

x^{2} - x^{2} = 0

= - 36 + 9

Add the numbers:

- 36 + 9 = - 27

= - 27

2 c + 2 c + 9

10 m^{3} + 25 m^{4} y

2^{x} \cdot 5^{- x}

100 a^{4} - 325 c^{2} d^{2} + 225 d^{4}

(x - 11)^{3} - (x + 11)^{3}

What is simplify+(x+6)(x-6)-(x+3)(x-3) ?
The solution to simplify+(x+6)(x-6)-(x+3)(x-3) is -27