Complete the following expressions below to make the statement true. 1. 81x² - 36 = (9x+36) (-)
2. x²- 9 = (2x+3)(2x-3)
3. x² + - 15 = (4x+3)(2x-5)
4. x²+6x+9= (+)

*please answer this correctly i really really need it ASAP please help me

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is:

Ithink i know it but i want to be sure so can you me out ?