Factor the numerator and denominator,first factoring out the GCF.Remove the common factors ofb−2and3.6b2−243b2−12b+126(b2−4)3(b2−4b+4)6(b+2)(b−2)3(b−2)(b−2)3⋅2(b+2)(b−2)3(b−2)(b−2)2(b+2)b−2
원본 교재 풀이(영어)
Factor the numerator and denominator,first factoring out the GCF.Remove the common factors ofb−2and3.6b2−243b2−12b+126(b2−4)3(b2−4b+4)6(b+2)(b−2)3(b−2)(b−2)3⋅2(b+2)(b−2)3(b−2)(b−2)2(b+2)b−2