Print Froggy Jumps: Operaciones Algebraicas (trabajo individual - velocidad. rapidez. - hacerlo bien)

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1. (2x+3y+5z) + (5x-8y-3y) - (7x-5y+2z)=

A

0

B

14x -10y +4z

C

7x - 5y + 2z

2. -(4a-2b+7c) + (8a+9b+10c) =

A

4a -11b - 17c

B

4a + 11b - 17c

C

4a - 11b + 17c

3. 3(2x+3y-z) - 2(x+y+3z)

A

4x - 7y + 9z

B

4x - 7y - 9z

C

4x + 7y - 9z

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

A

3x-5y

B

3x+5y

C

5x-3y

5. (4a^2 - 7ab)(2a^3b)

A

8a^5b - 14a^4b^2

B

8a^2b + 14a^3b^2

C

8a^2b - 14a^3b^2

6. −4x^2+2x−5−(2x^2+3x−6)

A

0x^4

B

−4x 2+2x−5

C

−6x^2−x+1

7. (10-12x^2)-(5x-2x^2+5)

A

+10x^3-5x+5

B

-10x^2 -5x+5

C

10x^4-10x+20