factorise 4x^2 + 24xy + 36y^2
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Answer: 4(x+3y) (x+3y)
Step-by-step explanation: 4x^2 + 24xy + 36y^2
= 4 ( x^2 + 6xy + 9y^2)
4 (x^2 + (3+3)xy + 9y^2)
4(x^2 + 3xy + 3xy +9y^2)
4(x(x+3y)+3y(x+3y)
4 (x+3y)(x+3y)
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Answer:
factorise 4x^2 + 24xy + 36y^2
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