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It is a bit difficult to be sure because I cannot see superscripts for the powers of x. x^4 + 3*x^3 + 125*x + 375 = x^3*(x+3) + 125*(x+3) =(x^3 + 125)*(x+3) And then using x^3+y^3 = (x+y)*(x^2-x*y+y^2) with y = 5 =(x+5)*(X^2-x+25)*(x+3)

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Wiki User

14y ago
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Wiki User

8y ago

(x + 3)(x + 5)(x^2 - 5x + 25)

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Becky Davies

Lvl 1
3y ago
What is the answer than

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Q: How would you factor x4 plus 3x3 plus 125x plus 375?
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