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2016年11月25日 · x=+-6 9:x as x:4 :. 9/x = x/4 x^2 = 36 x=+-sqrt36 x=+-6. How do you use proportions to solve how much money the restaurant made if it serves 250 people...

\[9\times 4\] +. > < ...

How do you prove the integral formula #intdx/(sqrt(x^2+a^2)) = ln(x+sqrt(x^2+a^2))+ C# ? See all questions in Integration by Trigonometric Substitution Impact of this question

2016年2月27日 · x=( -1)/(2) or x=-4 Given equation is 2x^2+9x+4=0 Comparing with ax^2+bx+c=0 We get, a= 2; b=9, c= 4 x=( -b+-sqrt(b^2-4ac))/(2a) x=( -9+-sqrt(9^2-4xx2xx4))/(2xx2) x ...

2016年6月8日 · Check if the divisors of the constant term #36# are roots of the equation.In our case #4,-3,3# are roots of the equation hence. #f(x)=x^3 - 4x^2-9x+36=(x-4)(x-3)(x+3)# 2nd …

\[x-4=9\] +. > < ...

2016年2月19日 · Find 2 values that add to give -9 and multiply to give 2 x 4 = 8. These values are -1 and -8. Split the x's. #2x^2-8x-x+4#

2016年3月30日 · How do you solve #x^2+10x+9=0# using the quadratic formula? How do you solve #-4x^2+x+1=0# using the quadratic formula? When do you have "no solution" when …

2018年4月17日 · A zero of 4 with a multiplicity of 2 tells us that (x-4)(x-4)=(x-4)^2 is another factor of our polynomial. Since the multiplicity is 2, it must show up twice. So, we obtain f(x)=(x+9)(x …