Question

Find the zeros of the polynomial x square -4

Answer 1

${x}^{2} - 4$

$(x) ^{2} - (2) ^{2}$

Using $(a)^{2} - (b)^{2} = (a+b)(a-b)$

$(x+2)(x-2)$


Therefore, (x-2) and (x+2) are the zeroes of the polynomial x^2 -4