(3ab + 10c2)(3ab-10c2)?

2007-02-28 03:07:25 · 3 answers · asked by Eric B 1 in Science & Mathematics ➔ Mathematics

9ab^ - 100c^4

2007-02-28 03:52:06 · answer #1 · answered by Anonymous · 0⤊ 0⤋

= 9 a² b² - 30 abc² + 30abc² - 100c^(4)

= 9 a² b² - 100 c^(4)

2007-02-28 03:23:20 · answer #2 · answered by Como 7 · 0⤊ 0⤋

9a^2b^2 +30abc^2-30abc^2-100c^4
=9a^2b^2-100c^4

2007-02-28 03:12:33 · answer #3 · answered by Maths Rocks 4 · 0⤊ 0⤋

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