linaabc1555 linaabc1555

20-02-2018
Mathematics

contestada

The expression below is the factorization of what trinomial?

(2x + 7)(4x - 3)

A. 8x2 + 22x + 4
B. 8x2 + 28x - 21
C. 8x2 + 28x + 4
D. 8x2 + 22x - 21

Respuesta :

Аноним Аноним

20-02-2018

(2x + 7)(4x -3)
= (2x)(4x) + (2x)(-3) + (7)(4x) + (7)(-3)
= 8x^2 - 6x + 28x - 21
= 8x^2 + 22x - 21 (Answer D)

Answer Link

Otras preguntas

Why would the vice president take over the president's job?

True or false these answers are equivalent 1.6 , 1 and 3/5 , 160%

Which of these is a chemical property of a substance? density color boiling point flammability

Which of the following is not true about the group of birth control strategies collectively known as natural Family Planning

a vector is a quantity that has what two items

Simplify: (5a − 13c) − (−11a + 31c) − (17a − 11c)

Greatest common factor of 12, 60, and 68

The __________ pedal in a stick shift vehicle enables a driver to shift gears. A. brake B. gas C. clutch

what was the first mall

latitude and longitude lines help geographers identify a. absolute location b. the depths of the oceans. c. earth's distance from the sun.d. the heights of moun