Question
Factorise:
9x2 + 18x + 8
9x2 + 18x + 8
✓
Answer
9x2 + 18x + 8
= 9x2 + 12x + 6x + 8
= 3x(3x+ 4) +2(3x + 4)
= (3x + 4)(3x + 2)
= 9x2 + 12x + 6x + 8
= 3x(3x+ 4) +2(3x + 4)
= (3x + 4)(3x + 2)
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