Question

x^2-9=0 factorise this ​

Answer 1

hey !!!

x^2-9=0 factorise this

Solution:--

we know

(a²-b²)=(a+b)(a-b)

so,

x^2-9

=x²-3²

=(x+3)(x-3)

i hopes its helps u

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Answer 2

Answer:

${x}^{2} - 9 = 0 \\ x = \sqrt{9} \\ x = 3$

HOPE THIS HELPS YOU❤️❤️✔️✔️✌️✌️