FACTORISE : (x²+2x)²-7(x²+2x)-y(x²+2x)+7y. PLEASE SOLVE THIS CORRECTLY. The answer should be (x²+2x-7)(x²+2x-y).
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Step-by-step explanation:
take 1st and 2nd value and take common from it then take common from 3rd and 4th and combine them
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