Question

Rewrite the function by completing the square 4x^2-16x +7

Answer 1

Answer:

$(2x-4)^2-9 => 4(x-2)^2-9$

Step-by-step explanation:

$=> 4x^2-16x+7\\ =>(2x)^2-2*(2x)*(4)+7\\ =>(2x)^2-2*(2x)*(4)+(4)^2-(4)^2+7\\ =>(2x-4)^2-9\\ =>4(x-2)^2-9$