Question

Simplify using suitable properties. a) 12 × (–3) + 5 × (–3) (b) (–10) × (–7) + (–10) × (–3)

Answer 1

Answer:

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a. -51

b.100

Answer 2

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12 x (-3) +5x (-3) = -6 +-15 = -21

2 x (-3) +5x (-3) = -6 +-15 = -21-10 x-7 + (-10) x -3 = 70 + 30 = 100

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