Blakeyohn
Blakeyohn
12-03-2015
Mathematics
contestada
(x^4 -7x^3 +16x^2)-(7x^2 - 2x^4)
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Panoyin
Panoyin
12-03-2015
(x^4 - 7x³ + 16x²) - (7x² - 2x^4)
x^4 + 2x^4 - 7x³ + 16x² - 7x²
3x^4 - 7x³ + 9x²
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