Question
Simplify:
9 × (-16) + (-17) × (-16)
9 × (-16) + (-17) × (-16)
✓
Answer
9 × (-16) + (-17) × (-16) = -(9 × 16) + (17 × 16)
= -144 + 272
= 272 - 144
= 128
Hence, 9 × (-16) + (-17) × (-16) = 128
= -144 + 272
= 272 - 144
= 128
Hence, 9 × (-16) + (-17) × (-16) = 128
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