factorise 81-36x+4x²
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Answered by
1
Answer:
-4x^2-36x+81
-4x^2-18x-18x+81
Answered by
2
Answer:
Step-by-step explanation:
4x^2 -18x-18x +81 , 2x(x-9) -9 (x-9 ) ,(x-9) (2x-9)
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