How to solve this quadratic equation 7x

     
-x2-7x+11=0 Two solutions were found : x =(7-√93)/-2= 1.322 x =(7+√93)/-2=-8.322 Step by step solution : Step 1 : Step 2 :Pulling out like terms : 2.1 Pull out lượt thích factors : ...

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x2-7x+11=-1 Two solutions were found : x = 4 x = 3 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : ...
2x2-7x+1=0 Two solutions were found : x =(7-√41)/4= 0.149 x =(7+√41)/4= 3.351 Step by step solution : Step 1 :Equation at the over of step 1 : (2x2 - 7x) + 1 = 0 Step 2 :Trying to factor ...
3x2-7x+1=0 Two solutions were found : x =(7-√37)/6= 0.153 x =(7+√37)/6= 2.180 Step by step solution : Step 1 :Equation at the over of step 1 : (3x2 - 7x) + 1 = 0 Step 2 :Trying lớn factor ...

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3x^2–7x+1le 0 iff 3(x-x_1)(x-x_2) le 0 iff egincases&x-x_1ge 0 \ &x-x_2le 0endcasesiff x_1le xle x_2. Above, x_1 and x_2 are the roots of the function x^2-frac73x + frac13, ...
displaystyle-3x^3+21x^2-3x Explanation:This is a Distributive Law question about the multiplication of exponents.Multiply displaystyle−3xleft(x^2−7x+1 ight) ...
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To solve the inequality, factor the left hand side. Quadratic polynomial can be factored using the transformation ax^2+bx+c=aleft(x-x_1 ight)left(x-x_2 ight), where x_1 và x_2 are the solutions of the quadratic equation ax^2+bx+c=0.

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All equations of the khung ax^2+bx+c=0 can be solved using the quadratic formula: frac-b±sqrtb^2-4ac2a. Substitute 1 for a, -7 for b, & 11 for c in the quadratic formula.
left(x-fracsqrt5+72 ight)left(x-frac7-sqrt52 ight)0 x-frac7-sqrt520 x-fracsqrt5+72

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