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RUDIKE [14]
3 years ago
5

Factor completely: 4x^5-x^3-12x^2+3

Mathematics
1 answer:
frosja888 [35]3 years ago
4 0
Factor by grouping

4x^5 - x^3 - 12x^2 + 3

(4x^5 - x^3) + (-12x^2 + 3)

x^3(4x^2 - 1) + (-12x^2 + 3)

x^3(4x^2 - 1) - 3(4x^2 - 1)

(x^3 - 3)(4x^2 - 1)

(4x^2 - 1)(x^3 - 3)

(2x + 1)(2x - 1)(x^3 - 3) ... use the difference of squares rule here

So the original expression completely factors to (2x+1)(2x-1)(x^3-3)
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