Question

Find the factors of 4 x²-16​

Answer 1

Answer:

$4x {}^{2} - 16 = 0 \\ = > 4x {}^{2} = 16 \\ = > x {}^{2} = 4 \\ = > x = 2$

Answer 2

Answer:

4(x²-4)=4(x+2)(x-2)