4.(8y + 3x)3 - (3r-8y)3 को सरल कीजिए
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Step-by-step explanation:
(8y+3x)(3)−(3r−8y)(3)
−9r+9x+48y
=3(−3r+3x+16y)
Answer:
3(−3r+3x+16y)
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