Question

Question:
$y = { - x}^{2} + 20x - 64$
Quadratic Equation
Formula:
$y = {ax}^{2} + bx + c$
Please Help
​Math Question Not Biology

Answer 1

y=-(x^2-20x+64)
----find two numbers that multiply to 64 and add to -20. They are -16 and -4--
y=-(x-16)(x-4)
ROOTS : 16, 4