Question

x^2+3x=10 помогите пж

Answer 1

X^2+3x=10
X^2+3x-10=0
D=3^2-4*1*(-10)=49=7^2
X1=-3-7/2=-5
X2=-3+7/2=2

Answer 2

$x^{2} +3x-10=0 \ D=9+40=49 sqrt{D} =7 \ x_{1} = frac{-3+7}{2} = frac{4}{2} =2 \ x_{2} = frac{-3-7}{2} =- frac{10}{2} =-5$