The square of a number increased by 7 is 23
The phrase a number means an arbitrary variable, let's call it x.
x
The square of a number means we raise x to the power of 2:
x^2
Increased by means we add 7 to x^2
x^2 + 7
The word is means an equation. So we set x^2 + 7 equal to 23:
x^2 + 7 = 23
The phrase a number means an arbitrary variable, let's call it x.
x
The square of a number means we raise x to the power of 2:
x^2
Increased by means we add 7 to x^2
x^2 + 7
The word is means an equation. So we set x^2 + 7 equal to 23:
x^2 + 7 = 23