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Q: What is the factored form of the expression 64 - x2?

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64-x2 = (8-x)(8+x) when factored

x2 - 64 can be written as x2 - 82, which is of the form of a2 - b2.And a2 - b2 is factored as (a-b)(a+b).Therefore, x2 - 64 is factored as (x+8)(x-8).

The given quadratic expression can not be factored as a perfect square.

x2-64 = (x-8)(x+8) when factored

x2 + 6x - 5 is a quadratic expression that can not be factored.

x2+7x-18 = (x+9)(x-2) when factored

That expression can not be factored.

If you mean: x2+12x+35 then it is a quadratic expression that can be factored as: (x+5)(x+7)

(x-8)(x+8) = x2-64

-4

If you mean: x2+6x+8 then it is (x+4)(x+2) when factored

This quadratic expression can't be factored because its discriminant is less than zero.

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