Question

The square of a number added to 4 gives 40. Find the number.​

Answer 1

let the no. be x

(three times the no. x)+(4)=40

3x+4=40

transpose 4 to 40.

3x=40-4

3x=36

transpose 3

x=36÷3

x=12

Hope it Helps you friend❤

Answer 2

6

Step-by-step explanation:

$x ^{2} + 4 = 40 \\ x ^{2} = 36 \\ x = 6$