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19-09-2020
Mathematics

contestada

Evaluate each expression.
1) 3xy when x = - 1 and y = 2
2) 4(x – 3) when x = 3
3) x2 + 5x + 6 when x = - 2

Respuesta :

19-09-2020

Answer:

1. -6

2. 0

3. -8

Step-by-step explanation:

1. 3×(-1)×2= -6

2. 4(3-3)= 4(0)= 0

3. (-2)2+5(-2)+6= (-4)+(-10)+6= -8

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