Question Simplify the expression 56a2−702a Evaluate 7a2×8−702aSolution 56a2−702a Show Solution Factor the expression 2a(28a−351) Evaluate 7a2×8−702aMultiply the terms 56a2−702aRewrite the expression 2a×28a−2a×351Solution 2a(28a−351) Show Solution Find the roots a1=0,a2=28351Alternative Form a1=0,a2=12.535˙71428˙ Evaluate 7a2×8−702aTo find the roots of the expression,set the expression equal to 0 7a2×8−702a=0Multiply the terms 56a2−702a=0Factor the expression More Steps Evaluate 56a2−702aRewrite the expression 2a×28a−2a×351Factor out 2a from the expression 2a(28a−351) 2a(28a−351)=0When the product of factors equals 0,at least one factor is 0 2a=028a−351=0Solve the equation for a a=028a−351=0Solve the equation for a More Steps Evaluate 28a−351=0Move the constant to the right-hand side and change its sign 28a=0+351Removing 0 doesn't change the value,so remove it from the expression 28a=351Divide both sides 2828a=28351Divide the numbers a=28351 a=0a=28351Solution a1=0,a2=28351Alternative Form a1=0,a2=12.535˙71428˙ Show Solution