if a=1 and b=-2 then find the value of -5ab ×3a^2b^2
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Answer:
- 120
Step-by-step explanation:
a = 1
b = 2
-5ab × 3a²b²
= -5 (1) (2) × 3 (1)² (2)²
= - 10 × 12
= - 120
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