Solmyr
Factor completely: 3x2 + 2x − 1
(3x + 1)(x − 1)
(3x + 1)(x + 1)
(3x − 1)(x + 1)
(3x − 1)(x − 1)
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geerky42
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Third one.
Solmyr
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ok can u help me with a few more also?
geerky42
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Sure.
Solmyr
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Factor completely: 4x2 + 25x + 6
(4x + 1)(x + 6)
(4x + 6)(x + 1)
(2x + 3)(2x + 2)
(2x + 6)(2x + 1)
Aylin
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Since it is multiple choice, you could expand them out.
Example:\[(4x+6)(x+1)\]\[4x^{2}+4x+6x+6\]\[4x^{2}+10x+6\]And just do that for the remaining 3 and see which one is the correct one.
jishan
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3rd option is correct.
Solmyr
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for firts or second question
jishan
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first q
Solmyr
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oh i knew that :P