Question

au (3) The zeroes of the polynomial x square-4are​

Answer 1

Answer:

${x}^{2} - 4 = 0 \\ {x}^{2} = 4 \\ x = \sqrt{4} \\ x = \underline{ \underline{2}} \: \: or \: \: \underline{ \underline{ - 2}}$