$(5x + 8)(4x^2 + 6x - 8)\\ \\ 5x(4x^2 + 6x - 8) + 8(4x^2 + 6x - 8) \\ \\ 20x^3 + 30x^2 - 40x + 8(4x^2 + 6x - 8) \\ \\ 20x^3 + 30x^2 - 40x + 32x^2 + 48x - 64 \\ \\ 20x^3 + (30x^2 + 32x^2) + (-40x + 48x) - 64 \\ \\ 20x^3 + 62x^2 + 8x - 64 \\ \\$

The final result is: 20x^3 + 62x^2 + 8x - 64.

4 0

3 years ago

A store buys a shirt from their distributor for $15. Then they markup the price by 80%. How much is the store selling the shirt

andrew-mc [135]

Answer:

$18.75

Step-by-step explanation:

Change the 80% into its decimal form, which is 0.8. Then, divide $15 by 0.8.

7 0

2 years ago

What is the equation of the axis of symmetry

Marina86 [1]

The line of symmetry is 1

4 0

3 years ago