Problem

find the zeros of 3x2+13x10=0

Answer

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Answer

x2=5

Steps

Step 1 :Δ=b24ac

Step 2 :Δ=1324×3×(10)

Step 3 :Δ=169+120

Step 4 :Δ=289

Step 5 :x1,2=b±Δ2a

Step 6 :x1,2=13±2892×3

Step 7 :x1=13+176

Step 8 :x1=46

Step 9 :x1=23

Step 10 :x2=13176

Step 11 :x2=306

Step 12 :x2=5

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