1000 + 30x (10+x) + x3
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Answer:
1000 + 300x + 30x2 + x3
Step-by-step explanation:
1000 + 30x (10+X) + x3
= 1000 + (30x)(10) + (30x)(x) + x3
= 1000 + 300x + 30x2 + x3
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