Question

find zero of
algebric method p(x) -3x²+2x-1​

Answer 1

-3x² + 2x -1 = 0

3x² - 2x = -1. (multiplying by -1)

9x² - 6x = -3. (multiplying by 3)

(3x)² - 2×3x×1 +1² = -3 +1 (adding 1²)

(3x - 2)² = -2

Clearly -2<0

so the given Quadratic eqⁿ has no real roots