问题 Factor the expression 3(x−1) Evaluate 3x−3解题方案 3(x−1) 显示解题方案 Find the roots x=1 Evaluate 3x−3To find the roots of the expression,set the expression equal to 0 3x−3=0Move the constant to the right-hand side and change its sign 3x=0+3Removing 0 doesn't change the value,so remove it from the expression 3x=3Divide both sides 33x=33Divide the numbers x=33解题方案 更多步骤 Evaluate 33Reduce the numbers 11Calculate 1 x=1 显示解题方案
