Question

${x}^{2} + 6x + 8$
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Answer 1

x² + 4x + 2x + 8

X ( X + 4)+ 2( X + 4)

( X + 2)(X + 4)Ans

Answer 2

By splitting the middle term method..

${x}^{2} + 4x + 2x + 8 \\ x(x + 4) + 2(x + 4) \\ (x + 2)(x + 4) \\ x = - 2 \\ x = - 4$

Hope it helps