What is expand P(-4,-5)Q(2,1) ?

The solution to expand P(-4,-5)Q(2,1) is -4(2*1,)PQ,-5(2*1,)PQ

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expand P(-4,-5)Q(2,1)

expand

P (- 4, - 5) Q (2, 1)

- 4 (2 \cdot 1,) PQ, - 5 (2 \cdot 1,) PQ

Solution steps

P (- 4, - 5) Q (2, 1)

= (- 4, - 5) (2 \cdot 1,) PQ

Apply the distributive law:

a (b - c) = ab - a c

a = PQ (2, 1), b = - 4,, c = 5

= PQ (2, 1) (- 4,) - PQ (2, 1) \cdot 5

Apply minus-plus rules

+ (- a) = - a

= - 4 (2 \cdot 1,) PQ, - 5 (2 \cdot 1,) PQ

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What is expand P(-4,-5)Q(2,1) ?
The solution to expand P(-4,-5)Q(2,1) is -4(2*1,)PQ,-5(2*1,)PQ