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3 years ago

Simplify the expression to polynomial in standard form(3x-2)(x+2)(3x+2)

1 answer:

Kitty [74]3 years ago

8 0

(3x-2)(x+2)(3x+2)

=
9
x
3
+
18
x
2
−
4
x
−
8

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yKpoI14uk [10]

A binomial squared is written like

$x^2+2ax+a^2$

So, we have $2a=6 \iff a=3$

So, we want to complete the square $(x+3)^2 = x^2+6x+9$

We can add and subtract 9 to write

$x^2+6x = x^2+6x+(9-9) = (x^2+6x+9)-9 = (x+3)^2-9$

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dalvyx [7]

Answer:

they lie in 2nd quadrant

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guapka [62]

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disa [49]

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B im pretty sure

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