from the product of (-4/7x²y) and (-2/3y²z³) subtract the product of (-3/7xy²z) and (5xyz²)
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Step-by-step explanation:
(-4/7x²y) × (-2/3y²z³)
= -4/7* -2/3 x²y¹+² z³
= 8/21 x²y³z³
(-3/7xy²z) × (5xyz²)
= -3/7 * 5 x¹+¹ y²+¹ z¹+²
= -15/7 x²y³z³
8/21 x²y³z³ - ( -15/7 x²y³z³)
= 8/21 x²y³z³ + 15/7 x²y³z³
= 8+45 /21 x²y³z³
= 53/21 x²y³z³
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