Question

Form an equation for the following statement
The present ages of A and B are x and y and in 5 years time A's age will be three years less than twice the square of B's age.

Answer 1

x+5=2(y+5)^2-3
x+5=2×(y^2+25)-3
x+5=2y^2+25-3
x+5=2y^2+22
x-2y^2=22-5
x-2y^2=17

hope it helps