Simplify: 2x(3 - 5x - 2x2) - (10x - 5x3).?

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2006-10-29 14:17:58 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

6x-10x^2-4x^3-10x+5x^3
=x^3-10x^2-4x
=x(x^2-10x-4)
=x(x-5)^2-29

2006-10-29 14:23:05 · answer #1 · answered by trainump 2 · 0⤊ 0⤋

2x(3 - 5x - 2x^2) - (10x - 5x^3)

6x - 10x^2 - 4x^3 - 10x + 5x^3

(-4 + 5)x^3 - 10x^2 + (6 - 10)x

ANS : x^3 - 10x^2 - 4x

2006-10-29 14:59:20 · answer #2 · answered by Sherman81 6 · 0⤊ 0⤋

x(x^2-10x-4)

2006-10-29 14:23:40 · answer #3 · answered by peterwan1982 2 · 0⤊ 0⤋

2x(3) - 2x(5x) - 2x(2x^2) - (10x) - (-5x^3)
6x - 10x^2 - 4x^3 - 10x + 5x^3
x^3 - 10x^2 - 4x
x(x^2-10x-4)

2006-10-29 14:20:59 · answer #4 · answered by aznfobboytly 3 · 0⤊ 1⤋