Drag each expression to show whether it is equivalent to 3 time times 9 or to 2x3x9​

Simply 8x squared + 5(7x squared- x) - 2x =

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints