Question

Simplify : (3+√3)(3-√3).

4. Factoris : 12x
2
-7x+1.​

Answer 1

Answer:

Step-by-step explanation:

3. $3^{2} -\sqrt{3} ^{2}$ because (a+b)(a-b)=$a^{2} -b^{2}$

= 9-3 = 6

4. $12x^{2}$-4x-3x+1

=4x(3x-1) -1(3x-1)

= (4x-1)(3x-1)