Since we want to find the maximum area, we can find the maximum of this quadratic function which will give us the maximum width. Letting b = 40 and a = -2, we get 10 to be the width. Plugging 10 into the equation gives l = 20. Thus our . maximum area is 200 feet2. An envelope is 4 cm longer than it is wide. The area is 96 cm2. Find the length ... From simplify exponential expressions calculator to division, we have got every aspect covered. Come to Algebra-equation.com and read and learn about operations, mathematics and plenty additional math subject areas

2. Simplify and factor the quadratic expression. 3. Find the roots of the corresponding quadratic equation. 4. Use the roots to divide the number line into regions. 5. Test each region using theinequality. Example 1 Solve the inequality, x^2 > x + 2 . Solution. The corresponding equation is (x - 2)(x + 1) = 0 so… Now we test one point in each ...

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