What is factor cos^2(x)+6cos(x)+8 ?

The solution to factor cos^2(x)+6cos(x)+8 is (cos(x)+2)(cos(x)+4)

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factor cos^2(x)+6cos(x)+8

factor

cos^{2} (x) + 6 cos (x) + 8

(cos (x) + 2) (cos (x) + 4)

Solution steps

cos^{2} (x) + 6 cos (x) + 8

Break the expression into groups

= (cos^{2} (x) + 2 cos (x)) + (4 cos (x) + 8)

Factor out

cos (x)

from

cos^{2} (x) + 2 cos (x) : cos (x) (cos (x) + 2)

Factor out

4

from

4 cos (x) + 8 : 4 (cos (x) + 2)

= cos (x) (cos (x) + 2) + 4 (cos (x) + 2)

Factor out common term

cos (x) + 2

= (cos (x) + 2) (cos (x) + 4)

l^{2} + 8 mn - 2 n l - 4 l m

(9 a^{2} b^{4}) - (3 a^{2} b)

5 x + 5 z + c x + cz

36 x^{2} - 27 x^{2}

(2 x^{6.323}) - 7.9

What is factor cos^2(x)+6cos(x)+8 ?
The solution to factor cos^2(x)+6cos(x)+8 is (cos(x)+2)(cos(x)+4)