factorise the following expression:-3x²-4x-4
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Answered by
2
Answer:
3x²-4x-4
3x²-6x+2x-4
3x(x-2)+2(x-2)
(x-2)(3x+2)
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Answered by
1
Step-by-step explanation:
3x^2-(6-2)x-4
=3x^2-6x+2x-4
=3x(x-2)+2 (x-2)
=(x-2)(3x+2)
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