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What's the answer to this? I thought it was -138 apparently it's not? :(
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What's the answer to this? I thought it was -138 apparently it's not? :(

What's the answer to this? I thought it was -138 apparently it's not? :(-example-1
User Dribbler
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1 Answer

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The answer is 78 because if you substitute with the x=3 it changes the outcome of the answer:)
User Manigandan
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