Question

what is [4-x]²
please answer fast

Answer 1

Answer:

It is a quadratic equation.

Step-by-step explanation:

[4 - x]^2 = 0

(4)^2 + (-x) ^2-2×4×-x = 0 [(a-b) ^2=a^2+b^2-2ab]

16+x^2+8x = 0

x^2+8x+16 = 0

So, it is a quadratic equation.