What is expand (a-1,b)(a+1,b+1) ?

The solution to expand (a-1,b)(a+1,b+1) is aa+1*a,b+1*a-1,ab-1,1*b,b-1,1*b

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expand (a-1,b)(a+1,b+1)

expand

(a - 1, b) (a + 1, b + 1)

aa + 1 \cdot a, b + 1 \cdot a - 1, ab - 1, 1 \cdot b, b - 1, 1 \cdot b

Solution steps

(a - 1, b) (a + 1, b + 1)

Distribute parentheses

= aa + a \cdot 1, b + a \cdot 1 + (- 1, b) a + (- 1, b) \cdot 1, b + (- 1, b) \cdot 1

Apply minus-plus rules

+ (- a) = - a

= aa + 1 \cdot a, b + 1 \cdot a - 1, ab - 1, 1 \cdot b, b - 1, 1 \cdot b

\frac{2 - 14 x ^{\frac{12}{7}}}{7 x ^{\frac{5}{7}}}

(s + 0.8 + 0.43 i) (s + 0.8) (s - 0.43 i) (s + 0.6)

2 e^{- x} x - e^{- x} (x^{2} - 17)

(t - 2) cos (2 π t)

2 e^{- x} x - e^{- x} (x^{2} - 16)

What is expand (a-1,b)(a+1,b+1) ?
The solution to expand (a-1,b)(a+1,b+1) is aa+1*a,b+1*a-1,ab-1,1*b,b-1,1*b