7x^5-49x^3?

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2007-05-29 14:32:39 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

= 7x³.(x² - 7)
= 7x².(x - √7).(x + √7)

2007-05-29 21:27:28 · answer #1 · answered by Como 7 · 0⤊ 0⤋

Take out 7x^3 to get...

7x^3 (x^2 - 7)

Let x = 0

x = 0 or sqrt 7

2007-05-29 21:37:30 · answer #2 · answered by Anonymous · 0⤊ 0⤋

7x^3 (x^2 - 7)

2007-05-29 21:36:00 · answer #3 · answered by smui0123 3 · 0⤊ 0⤋

7x^3(x^2 - 7)

2007-05-29 21:36:21 · answer #4 · answered by richardwptljc 6 · 0⤊ 0⤋

7x^3(x^2-7)

2007-05-29 21:35:50 · answer #5 · answered by leo 6 · 0⤊ 0⤋

So easy the mathmatical ansewer would be 74 because u r doing eternomitical versions so obvioustly it would be 74

2007-05-29 21:35:51 · answer #6 · answered by Lula 1 · 0⤊ 0⤋