Question

The third zero of the polynomial x3 - 2x + 7x2 -14, if two of its zeroes are √2 and -√2

Answer 1

x³-2x+7x²-14 = 0

=> x(x²-2)+7(x²-2) = 0

=> (x²-2)(x+7) = 0

∴ x = ±√2, -7

∴ -7 is the third zero of the polynomial.

Answer 2

Step-by-step explanation:

Hey Buddy !!!

Refer to the attachment for the answer of ur question