Question

If x(x+5)=50 and three sides of a right angle triangle are x,x+1 and 5 the
A x=3
2) x=-4
31 Area = 6cm? 4) Area = 8cm?​

Answer 1

Answer:

x^2+x^2+1+2x=25

2x^2+2x+1=25

x^2+x-12=0

x^2+4x-3x-12=0

x(x+4)-3(x+4)=0

(x-3)(x+4)=0

x=3

x=-4

if x=3

area=1/2*3*4=6cm^2