Question

Draw the graph of x square + 3 x minus 4 and find its zero

Answer 1

Answer:

x {}^{2} - 4x + 3 \\ = x {}^{2} - x - 3x + 3 \\ = x(x - 1) - 3(x - 1) \\ = (x - 1)(x - 3)

Therefore, x = 1, 3 are the zeroes of the given polynomial.