What is factor 2cos^2(x)-5cos(x)-3 ?

The solution to factor 2cos^2(x)-5cos(x)-3 is (2cos(x)+1)(cos(x)-3)

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factor 2cos^2(x)-5cos(x)-3

factor

2 cos^{2} (x) - 5 cos (x) - 3

(2 cos (x) + 1) (cos (x) - 3)

Solution steps

2 cos^{2} (x) - 5 cos (x) - 3

Break the expression into groups

= (2 cos^{2} (x) + cos (x)) + (- 6 cos (x) - 3)

Factor out

cos (x)

from

2 cos^{2} (x) + cos (x) : cos (x) (2 cos (x) + 1)

Factor out

- 3

from

- 6 cos (x) - 3 : - 3 (2 cos (x) + 1)

= cos (x) (2 cos (x) + 1) - 3 (2 cos (x) + 1)

Factor out common term

2 cos (x) + 1

= (2 cos (x) + 1) (cos (x) - 3)

\frac{d}{d x} ((a) (e^{a x^{6}}))

3 a x + b x + 3 a y + b y

a r - 2 b r - 2 a y + 4 b y

36 x^{2} - 4 π x^{2}

[(A r - s) + 2] [(A r - s) - 2]

What is factor 2cos^2(x)-5cos(x)-3 ?
The solution to factor 2cos^2(x)-5cos(x)-3 is (2cos(x)+1)(cos(x)-3)