Question 175185
there is nothing to solve in these problems for they are just expressions. We are simply looking to combine all like terms while we carry out the given operations within those terms
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1. {{{8x^2+5x-3+12x^2+7x-14=highlight(20x^2+12x-17)}}}
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2. {{{4x^3+5x+13-4x^2+22=highlight(4x^3-4x^2+5x+35)}}}
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3. {{{3x^2-8x-2-11x^2-5x-4=highlight(-8x^2-19x-6)}}}
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4. {{{(5y^3+y^2-3y-8-y^2+8y-11)=highlight(5y^3+5y-19)}}}