x2-3x-4=0 Two solutions were found : x = 4 x = -1 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1.1 Factoring x2-3x-4 The first term is, x2 its ...

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x^3 + 3x - 4 = 0 factor x^3 + 3x -4 using polynomial division: x^3 + 3x - 4 step 1: find all factors of the constant term, 4. 1, 2, 4 Try each factor above using the remainder Theorem Substitute ...
x3-2x-4=0 Three solutions were found : x = 2 x =(-2-√-4)/2=-1-i= -1.0000-1.0000i x =(-2+√-4)/2=-1+i= -1.0000+1.0000i Step by step solution : Step 1 :Polynomial Roots Calculator : 1.1 ...
Using the formula \cos(3x) = 4\cos^3(x) - 3\cos(x) is actually quite useful, but first we have to do x=2y , then we get 8y^3 - 6x + 1 = 0 Now we have the 4:-3 ratio and we can sub in y=\cos(\theta) ...

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\displaystyle{x}^{{3}}-{3}{x}-{2}={\left({\left({x}+{1}\right)}{\left({x}+{1}\right)}{\left({x}-{2}\right)}\right)} Explanation:Given: \displaystyle{\left(\text{XXX}\right)}{\left({1}\right)}{x}^{{3}}-{\left({3}\right)}{x}-{\left({2}\right)} ...
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\left< \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right> \left< \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right>
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