Complete the following activity to solve the quadratic equation
5x + 13x+8 -0 using formula.
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Step-by-step explanation:
b²-4ac=13²-4×a×c
b²-4ac=169-160=9
=-b±√b²-4ac÷2a. = -13 ±√9÷2×5
=-13±3÷10
=-13-3÷10. or =-13 + 3÷10
=-16 ÷10. or. =-10÷10
=-8÷5. or. = -1
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