Question

Find a quadratic equation whose root are 3 and -3.

Answer 1

Answer:

$x^{2} -9$

Step-by-step explanation:

α=3

β= -3

therefore the equation is--

k[$x^{2}$-(α+β)+αβ]

=>α+β= -3+3 =0

=>αβ=3x-3= -9

so....

$x^{2}$-0x+(-9)

$x^{2}$-9