Question

Solve the equations

i) x³ + 6x² - 3x - 18 = 0,

ii) x⁴ - 2x³ + 4x² + 6x - 21 = 0,

iii) 2x⁴ + 8x³ + 3x² + 4x + 1 = 0,

given that the sum of two of the roots is zero.

Answer 1

plz refer to the attachment

hope it helps

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