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3 years ago

11

Factor the trinomial x^2-5x-14

2 answers:

nexus9112 [7]3 years ago

7 0

Answer:

(x-7)(x+2)

Step-by-step explanation:

ivanzaharov [21]3 years ago

5 0

Answer: (x+2)(x−7)

Step-by-step explanation: I'm built different

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What are the exact solutions of x2 - 5x - 1 = 0?.

borishaifa [10]

$x^2-5x-1=0\\\\a=1;\ b=-5;\ c=-1\\\Delta=b^2-4ac\\\\\Delta=(-5)^2-4\cdot1\cdot(-1)=25+4=29 \ \textgreater \ 0\\\\therefore\\x_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ \dfrac{-b+\sqrt\Delta}{2a}\\\\x_1=\dfrac{5-\sqrt{29}}{2\cdot1}=\boxed{\dfrac{5-\sqrt{29}}{2}}\\\\x_2=\dfrac{5+\sqrt{29}}{2\cdot1}=\boxed{\dfrac{5+\sqrt{29}}{2}}$

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stiv31 [10]

Answer:

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Step-by-step explanation:

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8_murik_8 [283]

Step 1:

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step 2.

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BlackZzzverrR [31]

Answer:

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Step-by-step explanation:

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