Question

In the function f(x) = 4(x2 − 6x + ____) + 20, what number belongs in the blank to complete the square? Numerical Answers Expected! Answer for Blank 1:

Answer 1

(x² - 6x +...)
a² - 2ab + b²

[1x² + 2* 1 *(-3) + (-3)²]

coefficient b trójmianu square of the product of the coefficients a and b and number 2

canonical form of the function
f(x) = 4 * (x - 3)² + 20