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

By the end of the text, Santiago learns that the journey of self-discovery was his true treasure. Which excerpts from the text present evidence to support this

What did the Romans learn from the Etruscans

Which of these sentences is correctly written and punctuated? Keeping his active mind challenging Roosevelt improved his stamp collection, and read books on Ame

Identify the shape. A. Trapezoid B. Rectangle C. Rhombus D. Square

When looking up the meaning of the word integrity in the dictionary it would be found before which following words

What karst feature represents the most advanced stage of erosion?

If y varies inversely as the square of x, and y=4/63 when x=3, find y when x=5

could you tell me the answer

Which is closest to the total surface area of a cylinder with a radius of 5 inches and a height that is equal to its diameter?

Help! A pea plant has purple flowers. It has a genotype PP. Which of the following about the gene of flower color in the pea plant is true? The pea plant has o