Question

x^2-10x+4=(x-a)^2+b.find the value of a and b

Answer 1

Answer:

a=5

b=-23

Step-by-step explanation:

x^2-10x+4=(x-a)^2+b

or, x^2-10x+4=x^2-2ax+a^2+b

or, 10x-4=2ax-(a^2+b)

or,2ax=10x & a^2+b=4

or,a=5 or, 5^2+b=4

or, b= 4-25= -23