Question

Find the roots of the quadratic equation x² - 16 =0
pls show me the solution

Answer 1

Step-by-step explanation:

x² - 16 = 0

x² = 0 + 16

x² = 16

x =

$\sqrt{16}$

x = 4

Answer 2

Answer:

4 and -4

Step-by-step explanation:

Since it is a quadratic equation it will have 2 roots

We first use the formula +/- b√(b^2-4ac)/2a where a,b and c are coefficients of x^2, x and constant respectively.

Then we substitute the values and compute to get the root.

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