Question

$3x {}^{2} - 27$
​

Answer 1

Answer:

3x^2-27

=3(x^2-9)

=3{(x)^2-(3)^2}

=3(x+3)(x-3)

Answer 2

Answer:Simplifying

3x2 = 27

Solving

3x2 = 27

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '3'.

x2 = 9

Simplifying

x2 = 9

Take the square root of each side:

x = {-3, 3}