To factorize the expression X²+2xy+y², identify the terms as a perfect square trinomial (X+y)².
To factorize the expression X²+8x+16, identify the terms as a perfect square trinomial (X+4)².
To factorize the expression 16a²-24a²b³+9b⁶, identify the terms as a difference of squares (4a-3b³)².
X²+2xy+y²
X²+8x+16
16a²-24a²b³+9b⁶
Write a general statement on how to factorize the expressions above in words
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