Pré-cálculo Exemplos

$25 \sin (x) \cos (x) - 5 \sin (x) + 20 \cos (x) - 4$

Etapa 1

Reagrupe os termos.

$25 \sin (x) \cos (x) - 5 \sin (x) + 20 \cos (x) - 4$

Etapa 2

Fatore $5 \sin (x)$ de $25 \sin (x) \cos (x) - 5 \sin (x)$ .

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Etapa 2.1

Fatore $5 \sin (x)$ de $25 \sin (x) \cos (x)$ .

$5 \sin (x) (5 \cos (x)) - 5 \sin (x) + 20 \cos (x) - 4$

Etapa 2.2

Fatore $5 \sin (x)$ de $- 5 \sin (x)$ .

$5 \sin (x) (5 \cos (x)) + 5 \sin (x) (- 1) + 20 \cos (x) - 4$

Etapa 2.3

Fatore $5 \sin (x)$ de $5 \sin (x) (5 \cos (x)) + 5 \sin (x) (- 1)$ .

$5 \sin (x) (5 \cos (x) - 1) + 20 \cos (x) - 4$

Etapa 3

Fatore $4$ de $20 \cos (x) - 4$ .

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Etapa 3.1

Fatore $4$ de $20 \cos (x)$ .

$5 \sin (x) (5 \cos (x) - 1) + 4 (5 \cos (x)) - 4$

Etapa 3.2

Fatore $4$ de $- 4$ .

$5 \sin (x) (5 \cos (x) - 1) + 4 (5 \cos (x)) + 4 (- 1)$

Etapa 3.3

Fatore $4$ de $4 (5 \cos (x)) + 4 (- 1)$ .

$5 \sin (x) (5 \cos (x) - 1) + 4 (5 \cos (x) - 1)$

Etapa 4

Fatore $5 \cos (x) - 1$ de $5 \sin (x) (5 \cos (x) - 1) + 4 (5 \cos (x) - 1)$ .

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Etapa 4.1

Fatore $5 \cos (x) - 1$ de $5 \sin (x) (5 \cos (x) - 1)$ .

$(5 \cos (x) - 1) (5 \sin (x)) + 4 (5 \cos (x) - 1)$

Etapa 4.2

Fatore $5 \cos (x) - 1$ de $4 (5 \cos (x) - 1)$ .

$(5 \cos (x) - 1) (5 \sin (x)) + (5 \cos (x) - 1) \cdot 4$

Etapa 4.3

Fatore $5 \cos (x) - 1$ de $(5 \cos (x) - 1) (5 \sin (x)) + (5 \cos (x) - 1) \cdot 4$ .

$(5 \cos (x) - 1) (5 \sin (x) + 4)$