skatelife8113 skatelife8113

04-07-2021
Mathematics

contestada

Multiply (x2 + 3x + 5)(2x2 - 2x + 1).
A. 2A - 6x2 + 5
B. 3x2 + x + 6
C. 2A + 4x2 + 5x2 - 7x + 5
D. 2x4 + 8x3 + 17x2 + 13x+5

Multiply x2 3x 52x2 2x 1 A 2A 6x2 5 B 3x2 x 6 C 2A 4x2 5x2 7x 5 D 2x4 8x3 17x2 13x5 class=

Respuesta :

hieu0002004 hieu0002004

04-07-2021

A, C are correct

(X2 + 3x + 5) (2x2 -2x + 1)
= 2x4 -2x3 + 6x3 + x2 - 6x2 + 10x2 + 3x -10x + 5
= 2x4 + 4x3 + 5x2 - 7x + 5
= 2x4 + 4x3 + 11x2 - 7x - 6x2 + 5
= 2A - 6x2 + 5
Or = 2x4 + 4x3 -4x2 + 4x2 + 5 x2 - 7x + 5
= 2A + 4x2 + 5x2 - 7x + 5

Answer Link

Otras preguntas

Select the correct word describing the book: Job Prophecy History Poetry

Which type of government is described below. head of government: prime minister legislative body: parliament citizens have the right to vote

WILL CROWN WHOEVER ANSWERS

Christopher describes how warm ocean currents help moderate Florida’s temperature. Which direction would these currents travel? from Florida toward the equator

Calculate the acceleration of a train travelling from rest to 24 m/s in 12 seconds.

How does kinetic energy turn into potential energy.

Question 3 of 10 What is i^30? O A. -1 B. -1 C. i O D. 1 SUB

After *triangle* ACE is dilated by a factor of 5, It has an area of 100 square inches. What was its area before dilation?

How does the specific heat of water affect the oceans? A. It keeps the ocean temperatures more even. B. It causes the rise and fall of tidewater. C. It keeps th

Michael ran ½ a mile last night. Nicole ran 990 yards this morning. How many more yards did Nicole run than Michael? I’ll give brainliest :)