By completing the square the expression x28x88 equals xA2B W

By completing the square, the expression x²+8x+88 equals (x+A)²+B. Where A= _______ and B=________

Solution

Solution: The expression x²+8x+88 .

May be written as:    x²+8x+88

= x²+8x+16+72 = (x+4)^2 + 72

Comparing with (x+A)²+B. we ger A = 4 and B = 72.                Ans.