# What is the standard form of  y= (x+4)(x+11)-(5x-7)^2?

"Standard form is " color(violet)(y = -24x^2 + 85x - 5
$y = \left(x + 4\right) \left(x + 11\right) - {\left(5 x - 7\right)}^{2}$
$y = {x}^{2} + 4 x + 11 x + 44 - 25 {x}^{2} + 70 x - 49$
$y = - 24 {x}^{2} + 85 x - 5$