Multiply (6z^2 - 4z + 1)(8 - 3z)

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Asked 3/9/2016 1:50:33 PM

Updated 3/9/2016 11:05:33 PM

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This answer has been confirmed as correct and helpful.

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Johnny_English|Points 97|

= ab + b^2 - (a^2 - ab)

= ab + b^2 - a^2 + ab

= 2ab + b^2 - a^2

Question

Asked 3/9/2016 1:50:33 PM

Updated 3/9/2016 11:05:33 PM

1 Answer/Comment

This answer has been confirmed as correct and helpful.

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(y^3 - 125)/(y - 5)

= (y - 5)(y^2 + 5y + 25)/(y - 5)

= y^2 + 5y + 25

= (y - 5)(y^2 + 5y + 25)/(y - 5)

= y^2 + 5y + 25

Added 3/9/2016 5:25:40 PM

This answer has been confirmed as correct and helpful.

Confirmed by Andrew. [3/9/2016 11:05:57 PM]

Perform the indicated operation.
(2u^2 - 7) ÷ (u + 3)

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Not Answered

Updated 4/20/2016 6:44:37 PM

1 Answer/Comment

(2u^2 - 7) ÷ (u + 3)

= (2u^2/u+3) - (7/u+3)

= 2u - 6 R. 11

= (2u^2/u+3) - (7/u+3)

= 2u - 6 R. 11

Added 4/20/2016 6:44:35 PM

This answer has been confirmed as correct and helpful.

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Question

Not Answered

Updated 3/9/2016 11:02:21 PM

2 Answers/Comments

-2x(x^2 - 3)

= -2x*x^2 + (-2x)*(-3)

= -2x^3 + 6x

= -2x*x^2 + (-2x)*(-3)

= -2x^3 + 6x

Added 3/9/2016 5:28:21 PM

This answer has been confirmed as correct and helpful.

Confirmed by Andrew. [3/9/2016 11:02:45 PM]

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Question

Updated 3/10/2016 3:52:11 AM

2 Answers/Comments

1 - 2.25x^8

= 1 - (1.5x^4)^2

= (1 - 1.5x^4)(1 + 1.5x^4)

= 1 - (1.5x^4)^2

= (1 - 1.5x^4)(1 + 1.5x^4)

Added 3/10/2016 3:08:07 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [3/10/2016 3:51:58 AM]

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