Question

Y=x-5
y = x2 – 5x + 3

Answer 1

Explanation:

`x^(2) -5x+3=x-5\\x^(2) -5x-x+3+5=0\\x^(2) -6x+8=0\\(x-4)(x-2)=0\\x-4=0\\or\\x-2=0\\`

x=4 or x=2

when x=4

y=(4)-5

y=-1

and when x=2

y=(2)-5

y=-3

meaning we have pairs

(4,-1) and (2,-3)