Mathematics, 07.06.2021 04:10 aidanwindsor1738

So (3x^2+4)-3(2x^2+6x-5) simplifies to 3x^2+4-6x^2-18x+15 how does that simplify to -3x^2...+21 shouldn’t it be 19

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So (3x^2+4)-3(2x^2+6x-5) simplifies to 3x^2+4-6x^2-18x+15 how does that simplify to -3x^2...+21 shou...

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