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The general quadratic equation is;
ax2 + bx + c= 0
The quadratic formula to solve the equation is;
x = [-b + (b2 - 4ac)1/2]/ 2a
The given quadratic equation is x2 - 3x - 23 = 5
x2 - 3x - 23 = 5
x2 - 3x - 23 -5 = 0
x2 - 3x - 28 = 0
By using quadratic formula;
x = [-*-3 + ((-3)2 - 4*1*-23)1/2]/2
x = [3 +( 9 + 92)1/2]/2
x = [3 + 1011/2 ] / 2
x = [3 + 1011/2 ] / 2 , [3 - 1011/2]/2
ax2 + bx + c= 0
The quadratic formula to solve the equation is;
x = [-b + (b2 - 4ac)1/2]/ 2a
The given quadratic equation is x2 - 3x - 23 = 5
x2 - 3x - 23 = 5
x2 - 3x - 23 -5 = 0
x2 - 3x - 28 = 0
By using quadratic formula;
x = [-*-3 + ((-3)2 - 4*1*-23)1/2]/2
x = [3 +( 9 + 92)1/2]/2
x = [3 + 1011/2 ] / 2
x = [3 + 1011/2 ] / 2 , [3 - 1011/2]/2
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