truehamzamraza truehamzamraza

02-05-2020
Mathematics

contestada

Simplify the following expression.

(3x + 4)(x − 7)
Answers-
A. 3x2 − 25x − 11
B. 3x2 − 25x − 28
C. 3x2 − 17x − 11
D. 3x2 − 17x − 28

Respuesta :

MisterBigBrain MisterBigBrain

02-05-2020

Answer:

D. 3x2 − 17x − 28

Step-by-step explanation:

(3x + 4)(x − 7)

Multiply the parentheses:

3x x x - 3x x 7 + 4x - 4 x 7

Multiply:

3x squared - 21x + 4x - 28

Collect like terms:

3x squared - 17x - 28

Answer Link

Otras preguntas

What is the area of a circle if the diameter is 18 miles ?

Do outliers affect box plots. If so how?

the effect of pteropods

What is a hoax? A. a playful joke played on an unsuspecting person B. a deception that makes a quick profit C. an object produced with the intention to deceiv

A board is a common concept that appears in many games such as Monopoly, Tic Tac Toe, Connect 4, Chess, and Checkers. For this assignment, you will be creating

Electric current originates from which part of an atom

Why is Miguel upset, and how does Esperanza react

Identify the false statements regarding ketone bodies. A. Ketone body synthesis is triggered when energy requirements are not met through carbohydrate cataboli

Suppose we have a load in which the voltage is v (t )space equals space 15 space cos (200 pi t plus 65 degree ). Furthermore, the current i(t) has an rms value

When the US Supreme Court interprets the US Constitution is it sometimes, in effect, making new laws? Is such “activism” on the part of the Supreme Court part o