Answer:
Step-by-step explanation:
(x+3)(x-3)
x squared and -9 are both square numbers.
the square root of x^2 is x
the square root of -9 is 3. so you just need to write (x+3)(x-3)
you can check by expanding the brackets and the middle x terms should cancel out
Step-by-step explanation:
Answer
B
if you plug in 10 for the Y, you’ll figure that you must subtract 10 from both sides. the. you divide by 2 which makes it an automatic 0.
