Solve the quadratic equation using the formula x2 + 3x – 10 = 0​

2 thoughts on “Solve the quadratic equation using the formula x2 + 3x – 10 = 0​”

1. Answer:

   2,-5

   Step-by-step explanation:

   formula= -b+_√b^2 -4ac/2a

   a=1,b=3,c=-10

   substituting the values in the formula

   -3+_√3^2-4*1*-10/2*1

   =-3+_√9+49/2

   =-3+_7/2

   -3+7/2=2( -3+7=4,4/2=2)

   -3-7/2=-5

   so the answer is 2,-5

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2. Answer:

   formula = -b√ b²-4ac/2a

   Here b = 3 c = -10 a = 1

   -3√ 9+80/2

   -3±√ 89/2

   Step-by-step explanation:

   hope it will help you… Try to followme so that I can help you in next example

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