Question Simplify the expression x3+2x2+x+8 Evaluate x3+x2+x+2×4+x2Multiply the numbers x3+x2+x+8+x2Solution More Steps Evaluate x2+x2Collect like terms by calculating the sum or difference of their coefficients (1+1)x2Add the numbers 2x2 x3+2x2+x+8 Show Solution Find the roots x≈−2.716189 Evaluate x3+x2+x+2×4+x2To find the roots of the expression,set the expression equal to 0 x3+x2+x+2×4+x2=0Multiply the numbers x3+x2+x+8+x2=0Add the terms More Steps Evaluate x3+x2+x+8+x2Add the terms More Steps Evaluate x2+x2Collect like terms by calculating the sum or difference of their coefficients (1+1)x2Add the numbers 2x2 x3+2x2+x+8 x3+2x2+x+8=0Solution x≈−2.716189 Show Solution
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