What is expand (7-sin(x))(7+,x) ?

The solution to expand (7-sin(x))(7+,x) is 7*7+7,x-7sin(x)-sin(x),x

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expand (7-sin(x))(7+,x)

expand

(7 - sin (x)) (7 +, x)

7 \cdot 7 + 7, x - 7 sin (x) - sin (x), x

Solution steps

(7 - sin (x)) (7 +, x)

Apply FOIL method:

(a + b) (c + d) = a c + a d + b c + b d

a = 7, b = - sin (x), c = 7, d = +, x

= 7 \cdot 7 + 7, x + (- sin (x)) \cdot 7 + (- sin (x)), x

Apply minus-plus rules

+ (- a) = - a

= 7 \cdot 7 + 7, x - 7 sin (x) - sin (x), x

(\frac{i}{n} + 1)^{2}

- \frac{3 ( 7 - 2 5 )}{29}

(2 x + x^{3})^{2} 2 + x^{2}

\frac{( 12 x + 33 )}{( ( x - 1 ) ( 2 x + 3 ) )}

sin (\frac{7 π}{12})

What is expand (7-sin(x))(7+,x) ?
The solution to expand (7-sin(x))(7+,x) is 7*7+7,x-7sin(x)-sin(x),x