What is expand (e-5)(f-2g) ?

The solution to expand (e-5)(f-2g) is ef-2eg-5f+10g

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expand (e-5)(f-2g)

expand

(e - 5) (f - 2 g)

e f - 2 e g - 5 f + 10 g

Solution steps

(e - 5) (f - 2 g)

Apply FOIL method:

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

a = e, b = - 5, c = f, d = - 2 g

= e f + e (- 2 g) + (- 5) f + (- 5) (- 2 g)

Apply minus-plus rules

+ (- a) = - a, (- a) (- b) = ab

= e f - 2 e g - 5 f + 5 \cdot 2 g

Multiply the numbers:

5 \cdot 2 = 10

= e f - 2 e g - 5 f + 10 g

\frac{1 + x - 4 x ^{2}}{( 1 - x ) ^{2} ( 1 + 2 x )}

\frac{13 ( x - 1 )}{( 5 - 2 x ) ( 3 x - 1 )}

\frac{2 x ^{3} - 1}{( 2 x ^{4} - 4 x ) ^{3}}

\frac{( 3 - x ) ^{2}}{9}

A (- 2, - 3) B (1, 3)

What is expand (e-5)(f-2g) ?
The solution to expand (e-5)(f-2g) is ef-2eg-5f+10g