Question

A number is multiplied by itself and been increased by 2

Answer 1

Answer:

5x5+2 = 27 means like this or it is different

Answer 2

SOLUTION :-

• Let the number be x.

According to question

• Number is mutiplied itself = number +2
• x × x = x +2
• $\sf{ {x}^{2} = x + 2 } \\ \rightarrow \sf{ {x}^{2} - x - 2 = 0 } \\ \rightarrow\sf{ {x}^{2} - 2x + x - 2 = 0 } \\ \rightarrow \sf{ \: x(x - 2) + 1(x - 2) =0} \\ \rightarrow \sf{(x - 2)(x + 1) = 0}$
• x = 2 or x = -1