Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → a
$P(x)=-5x^2+125x+37500=38250$
$⇒-5x^2+125x-750=0$
$⇒5x^2-125x+750=0$
$⇒x^2-25x+150=0$
$⇒x^2-15x+10x+150=0$
$⇒(x-15)(x+10)=0$
$⇒x=15$ units
Correct answer: option 1
The correct answer is Option (1) → a
$P(x)=-5x^2+125x+37500=38250$
$⇒-5x^2+125x-750=0$
$⇒5x^2-125x+750=0$
$⇒x^2-25x+150=0$
$⇒x^2-15x+10x+150=0$
$⇒(x-15)(x+10)=0$
$⇒x=15$ units