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REY [17]
3 years ago
9

Factor 4x 2 + 12x + 5 . (2x + 5)(2x + 1)

Mathematics
1 answer:
swat323 years ago
8 0
4x^2 + 12x + 5=4x^2+2x+10x+5 \\  \\ =2x(2x+1)+5(2x+1)=(2x+5)(2x+1) \\  \\ \therefore4x^2+12x+5=(2x+5)(2x+1)
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20 points!! Pls help
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Answer:

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Step-by-step explanation:

-x-3=y, therefore x = -y-3

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Substitute the x in -3x - 8y = 4 with -y-3

We get

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_______________

Find the value of x

x = -y-3

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<h3>x = -4</h3>

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Answer (x, y) =

<h3>(-4, 1)</h3>

_____________________

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