Question

help

Answer 1

So we know that \(\sf{4x^2 - 8x + 20 = 0}\) is in the form \(\sf{ax^2 + hx + k}\)

And we need to make it \(\sf{a(x-h)^2+k}\).

So, using what I said from your last question, what do you think the two values are?

Answer 2

4,8 and 20
what number is common in these above numbers ?

Answer 3

4

Answer 4

exactly

what will get if you factorize it out the 4 from these terms of this quadratic ?

Answer 5

-16?