*an isosceles trapezoid abcd has bases ad = 17cm, bc = 5cm, and leg ab = 10 cm. a line is drawn through vertex b so that it bisects diagonal ac and intersect ad at point m. find the area of δbdm. what is the area of abcd?

- 2 + 10x³ - 21x² + 19x - 4

step-by-step explanation:

each term in the second factor is multiplied by each term in the first factor

x²(- 2x² + 4x - 1) - 3x(- 2x² + 4x - 1) + 4(- 2x² + 4x - 1) ← distribute

= - 2 + 4x³ - x² + 6x³ - 12x² + 3x -8x² + 16x - 4

collect like terms

= - 2 + 10x³ - 21x² + 19x - 4 ← in standard form

a - base

b - exponent

so,