Factorise: x² + 6x + 8
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5
Answer:
x² + 6x + 8
=x² + 4x + 2x +8
=x(x+4) + 2(x+4)
= (x+2) (x+4)
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x² + 6x + 8
=) x² + (4 - 2)x + 8
=) x² + 4x - 2x + 8
=) x( x+4) - 2( x+4)
=)( x+4) (x-2)
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