ri File Edit View History Bookmarks Develop Window Help content 2017sPO (o) calc
ID: 2879555 • Letter: R
Question
ri File Edit View History Bookmarks Develop Window Help content 2017sPO (o) calculus I (MTH-1410-01) Calculus 2. O 011 points I Previous Answers scalcco 40.Diagnostic.Algebra.002c. Simplify the expression. write your answer without negative exponents. 8x5/2y7 x 5/2 64y 19 If you have had difficulty with this problem, you may wish to consult the Review Talk to a Tu Talk to a Tutor 3. 1M points Previous Answers SCalccc4 0.Diagnostic.Algebra.001b. Evaluate the expression without using a calculator. If you have had difficulty with this problem, you may wish to consult the Review of A Need Help? ill Read Watch It Talk to a Tutor
Explanation / Answer
(5) x^2 /(x^2 - 36) - (x + 3)/(x + 6) = (x^2 - (x - 6)(x + 3))/(x^2 - 36) = (x^2 - (x^2 - 3x - 18))/(x^2 - 36) = 3/(x - 6)
(6) (4x + 7)^2 = (4x)^2 + 2(4x)(7) + 7^2 = 16x^2 + 56x + 49
(7) (x^2 + 5x + 4)/(x^2 - 3x - 4) = ((x + 1)(x + 4))/((x - 4)(x + 1)) = (x + 4)/(x - 4)
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.