Solved

x2−10x+21x2+14x+49÷x2−6x+9x2−2x−35\frac{x^{2}-10 x+21}{x^{2}+14 x+49} \div \frac{x^{2}-6 x+9}{x^{2}-2 x-35} A) −x+5x−3-\frac{x+5}{x-3} B) (x−7)2(x+5)(x+7)2(x−3)\frac{(x-7)^{2}(x+5)}{(x+7)^{2}(x-3)} C) (x−7)2(x+5)(x+7)2\frac{(x-7)^{2}(x+5)}{(x+7)^{2}}

Question 201

Multiple Choice

x2−10x+21x2+14x+49÷x2−6x+9x2−2x−35\frac{x^{2}-10 x+21}{x^{2}+14 x+49} \div \frac{x^{2}-6 x+9}{x^{2}-2 x-35}


A) −x+5x−3-\frac{x+5}{x-3}

B) (x−7) 2(x+5) (x+7) 2(x−3) \frac{(x-7) ^{2}(x+5) }{(x+7) ^{2}(x-3) }

C) (x−7) 2(x+5) (x+7) 2\frac{(x-7) ^{2}(x+5) }{(x+7) ^{2}}

D) (x−3) 3(x+7) 2(x+5) \frac{(x-3) ^{3}}{(x+7) ^{2}(x+5) }

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q196: Simplify the rational expression. (Assume the

Q197: <span class="ql-formula" data-value="\frac{(2 \mathrm{x}-5)(\mathrm{x}+2)}{(\mathrm{x}+8)(\mathrm{x}-3)} \div \frac{(\mathrm{x}+2)(3 \mathrm{x}+5)}{(\mathrm{x}+8)(\mathrm{x}-3)}"><span

Q198: <span class="ql-formula" data-value="\frac{6}{(x+2)^{2}}+\frac{8}{x+2}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mn>6</mn><mrow><mo stretchy="false">(</mo><mi>x</mi><mo>+</mo><mn>2</mn><msup><mo

Q199: For the given rational functions

Q200: <span class="ql-formula" data-value="\frac{x}{x+4}-\frac{4}{x-4}=\frac{x^{2}+16}{x^{2}-16}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mi>x</mi><mrow><mi>x</mi><mo>+</mo><mn>4</mn></mrow></mfrac><mo>−</mo><mfrac><mn>4</mn><mrow><mi>x</mi><mo>−</mo><mn>4</mn></mrow></mfrac><mo>=</mo><mfrac><mrow><msup><mi>x</mi><mn>2</mn></msup><mo>+</mo><mn>16</mn></mrow><mrow><msup><mi>x</mi><mn>2</mn></msup><mo>−</mo><mn>16</mn></mrow></mfrac></mrow><annotation encoding="application/x-tex">\frac{x}{x+4}-\frac{4}{x-4}=\frac{x^{2}+16}{x^{2}-16}</annotation></semantics></math></span><span

Q202: Find the domain of the rational

Q203: Use the given graph of a

Q204: Simplify the rational expression. (Assume the

Q205: Identify the given function as a

Q206: Simplify the complex fraction.<br>- <span class="ql-formula"