Question Simplify the expression −2χ Evaluate χ−χ−χ−χWrite the repeated addition as multiplication χ−χ×3Use the commutative property to reorder the terms χ−3χCollect like terms by calculating the sum or difference of their coefficients (1−3)χSolution −2χ Show Solution Find the roots χ=0 Evaluate χ−χ−χ−χTo find the roots of the expression,set the expression equal to 0 χ−χ−χ−χ=0Subtract the terms 0−χ−χ=0Removing 0 doesn't change the value,so remove it from the expression −χ−χ=0Subtract the terms More Steps Simplify −χ−χCollect like terms by calculating the sum or difference of their coefficients (−1−1)χSubtract the numbers −2χ −2χ=0Change the signs on both sides of the equation 2χ=0Solution χ=0 Show Solution