问题 Simplify the expression Solution x+x2 Evaluate x×1+x2解题方案 x+x2 显示解题方案 Factor the expression Factor x(1+x) Evaluate x×1+x2Any expression multiplied by 1 remains the same x+x2Rewrite the expression x+x×x解题方案 x(1+x) 显示解题方案 Find the roots Find the roots of the algebra expression x1=−1,x2=0 Evaluate x×1+x2To find the roots of the expression,set the expression equal to 0 x×1+x2=0Any expression multiplied by 1 remains the same x+x2=0Factor the expression 更多步骤 Evaluate x+x2Rewrite the expression x+x×xFactor out x from the expression x(1+x) x(1+x)=0When the product of factors equals 0,at least one factor is 0 x=01+x=0Solve the equation for x 更多步骤 Evaluate 1+x=0Move the constant to the right-hand side and change its sign x=0−1Removing 0 doesn't change the value,so remove it from the expression x=−1 x=0x=−1解题方案 x1=−1,x2=0 显示解题方案