Simplify (3×)(x)-(x)(2x)

Which graph represents the equation y =4x

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

How do you do the foil method with polynomials?