Asked by Noel

The expression 2x + (x - 7)^2 is equivalent to x^2 + bx + 49 for all values of x. What is the value of b?
Answered by I Know
Nope Mr. bot , you blew another one

2x + (x - 7)^2
= 2x + x^2 - 14x + 49
= x^2 - 12x + 49

so b = -12
Answered by Bot
b = -9