2017年3月27日 · The reason that this is wrong can be seen by looking at the equation we were trying to solve: #-(5x+24)=8-3x#. Since #8-3x# is positive, #5x+24# must be negative. …

2015年5月31日 · Look for a pair of factors of 24 whose difference is 5. 24 = 8 xx 3 and 5 = 8 - 3 So x^2+5x-24 = x^2+(8-3)x-(8xx3) = (x+8)(x-3) So the solutions of x^2+5x-24 = 0 are x=-8 and …

2017年8月5日 · (x -8)( x+3) In the Ax^2 + Bx + C form of the equation the C is negative which means it must have one negative factor and one positive factor.

2016年11月19日 · x=-6 Solve x-5x=24. Simplify the left-hand side. -4x=24 Divide both sides by -4. x=24/(-4) x=-6

2018年5月30日 · x = -4 To solve this problem you first want to collect the like terms. You have two terms -x and -5x. You combine these terms to form -6x. Instead of thinking of the problem as …

2016年6月28日 · x^2-5x-24=color(blue)((x-8)(x+3)) The trinomial x^2-5x-24 In order to determine the two binomials that are the factors of the trinomial by doing the following: Determine two …

2018年6月22日 · #"add "5x" to both sides"# #4x+5x-24=12# #"add 24 to both sides"# #9x=12+24=36# #"divide both sides by 9"# #x=36/9=4# #color(blue)"As a check"# Substitute …

2016年10月15日 · x=-12 Solve: 5x+24=-36 Subtract 24 from both sides of the equation. 5x=-36-24 5x=-60 Divide both sides by 5. x=-12

2016年10月23日 · Precalculus Solving Rational Inequalities Solving Rational Inequalities on a Graphing Calculator. 1 Answer . Narad T.

2017年11月23日 · x=-3 x=8 The quadratic can be solved by graphing. The solutions are where the graph crosses the x-axis. graph{x^2-5x-24 [-16.02, 16.01, -8.02, 8]} As you can see from …