Algebra 2
posted by Esther .
Add. (1/4x^4+3/4x^3+7/8x^2+9)+(3x^4+1/8x^29. Please help, this is like chinese to me. Thank you.

X^4/4 + 3X^3/4 + 7X^2/8 + 9  3X^4 + X^2/8  9,
LCD = 8:
(2X^4 + 6X^3 + 7X^2 24X^4 +X^2) / 8,
Combine liketerms:
(22X^4 + 6X^3 + 8X^2) / 8,
Factor out 2x^2:
(2X^2(11X^2 + 3X + 4) / 8,
Divide numerator and denominator by 2:
X^2(11X^2 + 3X + 4) / 4
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