Answer: Four solutions were found :
x = 7
x = 1
x =(-4-√12)/2=-2-√ 3 = -3.732
x =(-4+√12)/2=-2+√ 3 = -0.268
Step by step solution :
Step 1 :
Equation at the end of step 1 :
((((x4)-(4•(x3)))-(23•3x2))+20x)+7 = 0
Step 2 :
Equation at the end of step 2 :
((((x4) - 22x3) - (23•3x2)) + 20x) + 7 = 0
Step-by-step explanation: