Question

Select all operations under which the polynomials 4x + 5 and 2x - 3 are not closed.

A. subtraction
B. multiplication
C. division
D. addition

Answer 1

@Janu16 @rebeccaxhawaii

Answer 2

hello

Answer 3

@Er.Mohd.AMIR

Answer 4

@08surya

Answer 5

hello

Answer 6

Closed under addition and subtraction

Answer 7

i knew it

Answer 8

can u help wit 1 more?

Answer 9

so they are not closed under multiplication and divide

Answer 10

ok

Answer 11

damn.... i put add and subtract

Answer 12

Multiply these polynomials.

(4x2 - 3x)(5x2 - 6x + 2)

A. 20x4 - 39x3 + 26x2 - 6x
B. 20x4 - 39x3 + 18x2 - 6x
C. 20x4 - 24x3 + 18x2 - 6x
D. 20x4 - 24x3 + 26x2 - 6x

Answer 13

20x4-39x3+26x2-6x

Answer 14

ty <3

Answer 15

1 more?

Answer 16

k

Answer 17

Use the FOIL method to find the product of the binomials.

(2x2 - 4x)(6x2 - 5x)

A. 12x4 - 34x2 + 20x
B. 12x4 - 34x3 + 20x2
C. 12x4 - 10x3 + 20x2
D. 12x4 - 10x2 + 20x

Answer 18

12x4-34x3+20x2

Answer 19

1 more? lol xD

Answer 20

just write

Answer 21

Divide these polynomials.

(8x3 + 2x2 - 7x + 2) (2x - 1)

A. 4x2 - 3x - 2
B. 4x2 + 3x - 2
C. 4x2 + 3x + 2
D. 4x2 + 6x - 1