Question 609396
h= 4+3x
y=h-1=4+3x-1=3+3x
(4+3x)^2=x^2 +(3+3x)^2
16+9x^2+24x=x^2+ 9+9x^2+18x
x^2-6x-7=0
(x+1)(x-7)=0
x= 7
h=25
y=24