What are the solutions to the equation 7+x(x)=120 ?

The solutions to the equation 7+x(x)=120 are x=sqrt(113),x=-sqrt(113)

Find the zeros of 7+x(x)=120

The zeros of 7+x(x)=120 are x=sqrt(113),x=-sqrt(113)

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7 + x (x) = 120

x = 113, x = - 113

Decimal Notation

x = 10.63014 \dots, x = - 10.63014 \dots

Solution steps

7 + x (x) = 120

Expand

7 + x (x) : 7 + x^{2}

7 + x^{2} = 120

Move

7

to the right side

x^{2} = 113

For

x^{2} = f (a)

the solutions are

x = f (a), - f (a)

x = 113, x = - 113

(x - 1)^{2} = 2 x - 3

12 x^{2} + 5 x - 72 = 0

m^{2} = 4 m - 1

8 b^{2} - 1 = - 78

0 = 12 x^{2} - 72 x + 80

What are the solutions to the equation 7+x(x)=120 ?
The solutions to the equation 7+x(x)=120 are x=sqrt(113),x=-sqrt(113)
Find the zeros of 7+x(x)=120
The zeros of 7+x(x)=120 are x=sqrt(113),x=-sqrt(113)