OpenStax Elementary Algebra · 8.4절 · 13번우리말 번역 다음 문제에서 주어진 LCD를 분모로 하는 같은 값의 유리식으로 나타내세요. 4b2+6b+9,2bb2−2b−15\frac{4}{{b}^{2}+6b+9},\frac{2b}{{b}^{2}-2b-15}b2+6b+94,b2−2b−152b LCD (b+3)(b+3)(b−5)(b+3)(b+3)(b-5)(b+3)(b+3)(b−5) 영어 원문 보기 In the following exercises, write as equivalent rational expressions with the given LCD. 4b2+6b+9,2bb2−2b−15\frac{4}{{b}^{2}+6b+9},\frac{2b}{{b}^{2}-2b-15}b2+6b+94,b2−2b−152b LCD (b+3)(b+3)(b−5)(b+3)(b+3)(b-5)(b+3)(b+3)(b−5) 풀이 공책 펴기한 줄씩 식 확인정답·풀이 보기4b−20(b+3)(b+3)(b−5),\frac{4b-20}{(b+3)(b+3)(b-5)},(b+3)(b+3)(b−5)4b−20, 2b2+6b(b+3)(b+3)(b−5)\frac{2{b}^{2}+6b}{(b+3)(b+3)(b-5)}(b+3)(b+3)(b−5)2b2+6b 원본 교재 풀이(영어)4b−20(b+3)(b+3)(b−5),\frac{4b-20}{(b+3)(b+3)(b-5)},(b+3)(b+3)(b−5)4b−20, 2b2+6b(b+3)(b+3)(b−5)\frac{2{b}^{2}+6b}{(b+3)(b+3)(b-5)}(b+3)(b+3)(b−5)2b2+6b 한 번 더 — 비슷한 문제OpenStax Elementary Algebra · 8.1절 · 11번우리말 번역간단히 하세요: 2n2−14n4n2−16n−48.\frac{2{n}^{2}-14n}{4{n}^{2}-16n-48}.4n2−16n−482n2−14n. 풀이 공책 펴기한 줄씩 식 확인다 풀었으면 정답 확인2n2−14n4n2−16n−48Factor the numerator and denominator,first factoring out the GCF.2n(n−7)4(n2−4n−12)2n(n−7)4(n−6)(n+2)Remove the common factor, 2.2n(n−7)2⋅2(n−6)(n+2)n(n−7)2(n−6)(n+2)\begin{array}{cccc} & & & \quad \frac{2{n}^{2}-14n}{4{n}^{2}-16n-48} \\ \\ \\ \begin{array}{c}\text{Factor the numerator and denominator,} \\ \text{first factoring out the GCF.}\end{array} & & & \quad \frac{2n(n-7)}{4({n}^{2}-4n-12)} \\ & & & \quad \frac{2n(n-7)}{4(n-6)(n+2)} \\ \\ \\ \text{Remove the common factor, 2.} & & & \quad \frac{2n(n-7)}{2\cdot 2(n-6)(n+2)} \\ & & & \quad \frac{n(n-7)}{2(n-6)(n+2)}\end{array}Factor the numerator and denominator,first factoring out the GCF.Remove the common factor, 2.4n2−16n−482n2−14n4(n2−4n−12)2n(n−7)4(n−6)(n+2)2n(n−7)2⋅2(n−6)(n+2)2n(n−7)2(n−6)(n+2)n(n−7) 이 문제로 이어서 풀기 # 유리함수계산자동 분류