What is expand (2,-1,1)x(-3,1,1) ?

The solution to expand (2,-1,1)x(-3,1,1) is 2(-3*1*1,,)x,-1*(-3*1*1,,)x,1

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expand (2,-1,1)x(-3,1,1)

expand

(2, - 1, 1) x (- 3, 1, 1)

2 (- 3 \cdot 1 \cdot 1,,) x, - 1 \cdot (- 3 \cdot 1 \cdot 1,,) x, 1

Solution steps

(2, - 1, 1) x (- 3, 1, 1)

= (2, - 1 \cdot 1,) (- 3 \cdot 1 \cdot 1,,) x

Apply the distributive law:

a (b - c) = ab - a c

a = x (- 3, 1, 1), b = 2,, c = 1, 1

= x (- 3, 1, 1) \cdot 2, - x (- 3, 1, 1) \cdot 1, 1

= 2 (- 3 \cdot 1 \cdot 1,,) x, - 1 \cdot (- 3 \cdot 1 \cdot 1,,) x, 1

(e^{j} - e^{- j})^{2}

l im x \Rightarrow 1 (4 x^{2} - 7 x + 5)

(x + Δ x)^{2} + 1

2 x (x - 3 π + 2 π^{2})

\frac{7 ( 3 x + 2 )}{21 x + 2}

What is expand (2,-1,1)x(-3,1,1) ?
The solution to expand (2,-1,1)x(-3,1,1) is 2(-3*1*1,,)x,-1*(-3*1*1,,)x,1