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OpenStudy (anonymous):
Simplify by removing factors of 1. 15x^2-135/25x^2-225
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OpenStudy (anonymous):
3x^2-27/5x^2-45
OpenStudy (aroub):
=15 (x-3)(x+3) ------------- 25(x-3)(x+3) = 15 --- 25 = 3 ---- 5 \[x \neq -3 \] and \[x \neq 3\]
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