Determine the square root of (9 x2-30 x+25) (9 x2+30 x+25).

Question

Determine the square root of (9 x2-30 x+25) (9 x2+30 x+25). (A) 9 x2+25 (B) 3 x2+5 (C) 9 x2-25 (D) 3 x2-5

Tardigrade Admin · Accepted Answer

(9 x2-30 x+25)(9 x2+30 x+25) =(3 x-5)2(3 x+5)2 ∴ Square root of the given expression =(3 x-5)(3 x+5)=9 x2-25

Q. Determine the square root of $(9 x^{2} - 30 x + 25)$ $(9 x^{2} + 30 x + 25)$ .