Question

Factorise the equation - x² +15x
4500=0​

Answer 1

Step-by-step explanation:

$- {x}^{2} + 15x + 4500 = 0$

${x}^{2} - 15x - 4500 = 0$

${x}^{2} - 75x + 60x - 4500 = 0$

$x(x - 75) + 60(x - 75) = 0$

$(x - 75)(x + 60) = 0$

=>

$x = 75 \: and \: - 60$