factorize the following expressions 9x²+25y²+30xy give answer by product and sum method
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Answer:
9x^2 + 30xy + 25y^2 = (3x)^2 + 2(3x)(5y) + (5y)^2
We know that a^2 + 2ab + b^2 = (a + b)^2
You can visualize when a = 3x and b = 5y
= (3x + 5y)^2
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