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

Ronald Reagan defeated in one of the biggest presidential election landslides in history.

in the poem "laura" how was she described by the speaker

How many moles of water, H2O, contain 2.0×1022 molecules of water?

Frankie paid $11.75 for the movie ticket and $4.75 for popcorn and a drink. How much did Frankie spend? a. $7.00 b. $15.50 c. $15.75 d. $16.50

6,000 multiplied by power of 10

Which phrase could be represented by this expression? 2m + 7 a. seven more than half a number b. seven more than twice a number c. twice the sum of a number an

What is 386.05679 rounded to the nearest hundredths ?

Which of the following is a severe convective weather event that can occur when a warm, moist air mass meets a cold air mass? a. blizzard b. tornado c. dust

Which of the following is an effective tip for participating in a group discussion? a. Be respectful to others in disagreements. b. Wait until after the group h

What is 4.95 +4883.83