$( {x}^{2} + 16x + 64) - (x + 8)(x - 4) = k(x + 8) \\ ( {x + 8)}^{2} - (x + 8)(x - 4) = k(x + 8) \\ (x + 8) - (x - 4) = k \\ k = (x - x) + (8 + 4) \\ k = 12$

4 0

3 years ago

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What is the simplified form of the following expression? (n5)(n2)

Hatshy [7]

In exponent multiplication, When the bases are the same you ADD the power so it is n^7

5 0

3 years ago

Factorise :x^2-4x-21+10y-y^2

Elenna [48]

Answer:

This cannot factor

Step-by-step explanation:

This cannot factor because there is no number that can be factored out of all of the terms.

4 0

4 years ago

Question 3

matrenka [14]

Answer:

about 5 boxes

Step-by-step explanation:

2 *40/15 Please give brainliest

6 0

3 years ago

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