daisyrodriguez2154 daisyrodriguez2154

24-01-2021
Mathematics

contestada

Expand
Your answer should be a polynomial in standard form.
(-r^2+ 3r– 7)(r^2– 7) =
PLEASE HELP !!

Respuesta :

darealmarinda123 darealmarinda123

24-01-2021

Answer:

-r^4+3r^3-21r+49

Step-by-step explanation:

(−r2+3r+−7)(r2+−7)

=(−r^2)(r^2)+(−r^2)(−7)+(3r)(r^2)+(3r)(−7)+(−7)(r^2)+(−7)(−7)

=−r4+7r2+3r3−21r−7r2+49

=−r4+3r3−21r+49

Answer Link

Otras preguntas

Write a valid sql expression to select all counties whose names begin with the letter q.

Under average-cost pricing, the government will raise the price of output whenever a firm's costs increase, and lower the price whenever a firm's costs decrease

Choose three congressional powers discussed in this section and indicate why the framers gave these powers to congress rather than to the states

Describe the formation of an aqueous libr solution when solid libr dissolves in water

A rectangular garden 450 square feet in area is to be fenced off against rodents. find the dimensions that will require the least amount of fencing if one side

To distinguish between properties of the two major types of supernovae: massive star supernovae and white dwarf supernovae. all supernovae represent the explosi

One bottle holds 750 mL of lemonade.How much will 24 bottles hold?Give your answer in 2 different standard units of measurement.(Pls answer today this is due to

Which layer communicates with the physical hardware and is responsible for the delivery of signals from the source to the destination over a physical communicat

What is the greatest benefit the body receives from cardiorespiratory fitness? It reduces the amount of mental stress. It increases waste removal from the body.

Which of the following were powers that the framers believed did not need to be expressly written in the U.S. Constitution? a. expressed powers b. obvious power