Question Simplify the expression −27x2 Evaluate −21(x2×7)Remove the parentheses −21x2×7Solution −27x2 Show Solution Find the roots x=0 Evaluate −21(x2×7)To find the roots of the expression,set the expression equal to 0 −21(x2×7)=0Use the commutative property to reorder the terms −21×7x2=0Multiply the numbers −27x2=0Change the signs on both sides of the equation 27x2=0Rewrite the expression x2=0Solution x=0 Show Solution