Question

Simultaneous equation x^2+y^2=5 y = x +1

Answer 1

Answer:

X²+Y²=5 ; Y=X+1

x²+(x+1)²=5

x²+x²+2x+1=5

2x²+2x=4

2(x²+x)=4

x²+x=2

x²+x-2=0

...solve by factorisation to get the value of x...