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Answered

Evaluate each expression if a = 2, b = -1, c =3 and d = -5

1. -a + b - c + d

2.ad - bc

3. ba + dc

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Sagot :

ALLUKA121605GO

Answer:

1. -11

2. -7

3. -17

Step-by-step explanation:

1. -a + b - c + d = -(2) + (-1) - (3) + (-5) = -3 - 8 = -11

2. ad - bc = (2)(-5) - (-1)(3) = (-10) - (-3) = -10 + 3 = -7

3. ba + dc = (-1)(2) + (-5)(3) = (-2) + (-15) = -2 - 15 = -17

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