Algebra Demystified 2nd Ed

166 algebra De mystif ieD 15x1/2 − 8x1/4 + 1 = 14 xx –  = 3  –  25x^6 + 20x^3 + 4 = xx +  69 +  = ✔SOLUTIONS x^4 − 3x^2 + 2 = ...

Chapter 6 FaCtoring and the distributive ProPerty 167 EXAMPLES Factor the numerator and denominator and then write the fraction ...

168 algebra De mystif ieD 9.^252 12 xx^2 x −+ − = xy xy 22 44 − − = ✔SOLUTIONS 1.^1624 812 823 423 (^322) 43 2 3 xx xx xx xx x ...

Chapter 6 FaCtoring and the distributive ProPerty 169 Adding/Subtracting Fractions We now use what we learned about factoring al ...

170 algebra De mystif ieD PRACTICE Factor each denominator completely and find the LCD. x xx x − ++ + − 10 87 5 (^2222) 2.^322 ...

Chapter 6 FaCtoring and the distributive ProPerty 171 5.^3 2448 7 624 1 42024 2 246 7 6 xx^22 xxx xx x +− + − − +− = −+ + ()()( ...

172 algebra De mystif ieD 6 21 2 43 6 11 2 (^2213) x xxxx x ++ xx xx − ++ ++ − ()()()++() = 6 1 3 3 2 13 1 1 632 2 x x x xxx x x ...

Chapter 6 FaCtoring and the distributive ProPerty 173 ✔SOLUTIONS 1. 1 56 1 23 1 23 1 xx xx^22 ++ xx xx 13 + +− = ++ + ()()()−+() ...

174 algebra De mystif ieD 4.^1 62430 5 2260 1 615 5 xx^22 +− xx xx 25 xx 6 + −− = −+ + ()()()+−( )) ()() ()() () ( = ^1 615 6 6 ...

Chapter 6 FaCtoring and the distributive ProPerty 175 1 23 4 1 1 23 4 1 1 4 4 23 4 − −^42 + =− − + =⋅+ + − − + x = +− − x x x ...

176 algebra De mystif ieD • Simplifying fractions. As before, simplify a fraction by factoring its numera- tor and denominator ...

Chapter 6 FaCtoring and the distributive ProPerty 177 Quiz 24 xy^32 += 18 xy a. 63 xx()^2 y+ b. 64 xy()xy^2 + 3 C. 64 xy()xy^2 ...

178 algebra De mystif ieD eMystiFied / algebra deMystiFied / gibilisco / 000-0 / Chapter 6 −−^10 xx^3261 yx+=^0 a. −+ 25 xx()^2 ...

Chapter 6 FaCtoring and the distributive ProPerty 179 x x 4 2 64 8 − − (^) = a. ()xx−+ 44 () b. ()xx−+ 22 () C. x^2 + 8 d. ( ...

180 algebra De mystif ieD eMystiFied / algebra deMystiFied / gibilisco / 000-0 / Chapter 6 16.^363 3 tt^32 t t −+ (^) = a. ()t− ...

Chapter 6 FaCtoring and the distributive ProPerty 181 −+ 32 yx( ^2 xy−= ) 6 a. −−^63 yx^22 yy−^18 b. −+^63 yx^22 yy−^18 C. −−^ ...

This page intentionally left blank ...

183 chapter 7 Linear Equations The algebra we’ve done up to now involved rewriting expressions using various fraction, exponent, ...

184 algebra De mystif ieD algebra DeMYSTiFieD / gibilisco / 000-0 / Chapter 4 In a linear equation, the variables are raised to ...

Chapter 7 linear equaTionS 185 EXAMPLES Compute the following. 322 − () 4 This expression has three operations—multiplication, s ...