Factorise 9x^2+30x+25
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Answer: (3
Answered by
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Answer:
9x^2 + 15x + 15x + 25
3x(3x+5) + 5(3x+5)
so, (3x+5) + (3x+5)
solving for x
3x+5=0
x= -5/3
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