What is factor k^2-12k-64 ?

The solution to factor k^2-12k-64 is (k+4)(k-16)

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factor k^2-12k-64

factor

k^{2} - 12 k - 64

(k + 4) (k - 16)

Solution steps

k^{2} - 12 k - 64

Break the expression into groups

= (k^{2} + 4 k) + (- 16 k - 64)

Factor out

k

from

k^{2} + 4 k : k (k + 4)

Factor out

- 16

from

- 16 k - 64 : - 16 (k + 4)

= k (k + 4) - 16 (k + 4)

Factor out common term

k + 4

= (k + 4) (k - 16)

\frac{x}{3} = 6

5^{2} + x^{2} = 1 2^{2}

\frac{x - 4}{3} \leq 5

y (y - 6) = - y (y - 6)

- 9 x + 4 \leq 49