Factor the trinomial: x2 + 3x

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Factor the trinomial: x2 + 3x - 40

Question

Asked 6/4/2013 4:57:07 PM

Updated 6/22/2014 4:44:42 AM

5 Answers/Comments

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Flagged by yeswey [6/22/2014 4:40:52 AM]

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User: Factor the trinomial: x2 + 3x - 40

Weegy: (3x-2) squared is 9x^2 - 12x + 4.
twistedechoes|Points 46|

User: If f(x) = 2x and g(x) = 5x, calculate f(g(x)).

Weegy: D. 5x - 4 is the answer.
OxTornado007|Points 6869|

User: Express The square root of negative 12. in i notation.

User: Solve by completing the square: x2 + 8x = -3.

User: Simplify y-4 y 2 -16

User: Evaluate 64 to the one third power.

User: Simplify 8-2 by making the exponent positive.

Weegy: 8^-2 = 1/(8^2) = 1/64
livearchos|Points 40|

User: Simplify y-2 by making the exponent positive

User: Evaluate 125 to the one third power

User: Simplify x-5 by making the exponent positive.

Question

Asked 6/4/2013 4:57:07 PM

Updated 6/22/2014 4:44:42 AM

5 Answers/Comments

This conversation has been flagged as incorrect.

Flagged by yeswey [6/22/2014 4:40:52 AM]

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yeswey

x^2 + 3x - 40 = (x - 5)(x + 8)

Added 6/22/2014 4:40:48 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [6/23/2014 1:18:46 PM]

yeswey

f(x) = 2x and g(x) = 5x,
f(g(x)) = f(5x) = 2(5x) = 10x

Added 6/22/2014 4:41:35 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [6/23/2014 1:19:05 PM]

yeswey

x^2 + 8x = -3
x^2 + 8x + 16 = -3 + 16
(x + 4)^2 = 13
x + 4 = ± sqrt 13
x = -4 ± sqrt 13

Added 6/22/2014 4:43:42 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [6/23/2014 1:19:34 PM]

yeswey

64 to the one third power is 4.

Added 6/22/2014 4:44:42 AM

This answer has been confirmed as correct and helpful.

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Questions asked by the same visitor

Factor x2 - x - 90 = 0.

Weegy: x2 - x - 90 = 0 in factored form is (x-10)(x+9)=0 (More)

Question

Expert Answered

Asked 6/4/2013 4:17:19 PM

0 Answers/Comments

Solve the quadratic equation x2 + 16x = -64 by factoring.

Weegy: The answer for x2 + 16x = -64 is x = -8. User: Solve the quadratic equation 5x2 - 125 = 0. Weegy: The answer is (x+8) (x+8). (More)

Question

Expert Answered

Updated 8/19/2014 1:19:05 AM

1 Answer/Comment

yeswey

5x^2 - 125 = 0
5(x^2 - 25) = 0
5(x + 5)(x - 5) = 0
x = -5 or x = 5

Added 8/19/2014 1:19:05 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [8/19/2014 1:22:27 AM]

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