Equivalent Expressions

SAT Math· difficulty 3/5

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

A
$x^4 + x^2 - 6$
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B
$x^4 + 5x^2 - 6$
C
$x^4 + x^2 + 6$
D
$x^4 - x^2 - 6$

Explanation

x^4 - 2x^2 + 3x^2 - 6 = x^4 + x^2 - 6

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