4.
Which expression is equivalent to x^4 – 2x^3 + x^2 ?
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A. x²(x - 1)^2
B. x²(x + 1)^2?
C. (x + 9)(x - 9)
D. 2(x+ 3)(x - 3)

4 Which expression is equivalent to x4 2x3 x2 A xx 12 B xx 12 C x 9x 9 D 2x 3x 3 class=