Question

21.Solve (x-1)(x+1) +5 = x(x-2) + 6

Answer 1

Answer:

Step-by-step explanation:

(X-1)(x+1)=x(x-2)+6

X^2+x-x-1=x^2-2x+6

X^2-1=x^2-2x+6

X^2-x^2+2x-1+6=0

2x+5=0

It is not in the form of ax^2+bx+c=0

Answer 2

Answer:

this is the answer of your question.