16(3x - 5y)^3 + 8 (3x - 5y)^2
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Answer:
16 (-2xy)×3+8(-2xy)×2
16 × (-6xy)+8×(-4xy)
-96xy+(-32xy)
96xy+32xy
128x²y²
Step-by-step explanation:
it's answer is 128x²y²
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