Question Simplify the expression −49a2 Evaluate 7a(−a×7)Rewrite the expression 7a(−a)×7Any expression multiplied by 1 remains the same −7a×a×7Multiply the terms −49a×aSolution −49a2 Show Solution Find the roots a=0 Evaluate (7a)(−a×7)To find the roots of the expression,set the expression equal to 0 (7a)(−a×7)=0Multiply the terms 7a(−a×7)=0Use the commutative property to reorder the terms 7a(−7a)=0Multiply the terms More Steps Evaluate 7a(−7a)Multiply the numbers More Steps Evaluate 7(−7)Multiplying or dividing an odd number of negative terms equals a negative −7×7Multiply the numbers −49 −49a×aMultiply the terms −49a2 −49a2=0Change the signs on both sides of the equation 49a2=0Rewrite the expression a2=0Solution a=0 Show Solution