edwinvasquez642 edwinvasquez642

22-01-2020
Mathematics

contestada

18. What is the product?
(2x-1)(X+4)
A. 2X^2-4
B. 2X^2+4
C. 2X^2+7X-4
D. 2X^2-7X-4

Respuesta :

PollyP52 PollyP52

22-01-2020

Answer:

C. 2x^2 + 7x - 4.

Step-by-step explanation:

(2x - 1)(x + 4)

= 2x(x + 4) - 1(x + 4)

= 2x^2 + 8x - x - 4

= 2x^2 + 7x - 4.

Answer Link

Otras preguntas

what is the first animal that was on the earth and how long have they been here.100 POINT

A flag pole is casting a 20ft. shadow. The flag pole measures 16 ft. Find the Angle of elevation of the sun.

1,547.1892 rounded to the nearest hundredth

PLEASE HELP 1-Perform another 20 spins, and record them. What is the new experimental probability of spinning yellow? 2-What is the experimental probability of

What are the coefficients for the reaction _Cl2O5 + _H2O → _HClO3 once it is balanced?1, 1, 11, 1, 21, 2, 22, 1, 1

1) The contractor measures the length and the width of her rectangular yard. He states that the length of the yard is twice the width. He plans to replace the f

A single, six-sided die is rolled. Find the probability of rolling an even number or a number less than 5.

What adaptation did lobe- finned fish have that was different than the previous organisms? A. lobes that were the beginnings of arms and legs B. jaws that helpe

which ones are adverbs? barelytrumpetblowsoonsuremarchscarcelyfullymostsleepilynohererealsweetlynevernotpianoanywherereallyoften

Estimate the solution to the following system of equations by graphing. 9x + 8y=26 3x + 2y=9