The equivalent expression of 18x^2 - 50 is 2(3x - 5)(3x + 5)
The expression is given as;
18x^2 - 50
Factor out 2 from the expression
2(9x^2 - 25)
Express 9 as the square of 3
2((3x)^2 - 25)
Express 25 as the square of 5
2((3x)^2 - 5^2)
Apply the difference of two squares
2(3x - 5)(3x + 5)
Hence, the equivalent expression of 18x^2 - 50 is 2(3x - 5)(3x + 5)
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