domdomberlin
domdomberlin domdomberlin
  • 21-02-2021
  • Mathematics
contestada

What is the product of (x+3)(x-3)=7
​

Respuesta :

altavistard
altavistard altavistard
  • 21-02-2021

Answer:

Step-by-step explanation:

What you have here is an equation with two roots.  The "product" is (x + 3)(x - 3), which comes out to x^2 - 9.

Thus, you have x^2 - 9 = 7, or x^2 - 16 = 0, and the roots of that are {-4, 4}.

Answer Link

Otras preguntas

I need an answer ASAP!!
Life during lockdown
For which locations does the Occupational Safety and Health Administration (OSHA) enforce safety?
i just need the work for 11 & 12. i know the answer for 11 is (16,4) and 12 is (5,7) but i don’t know how to work it out to get those answers. (solving a sy
Which expression represents the greatest common factor (GCF) of 48 and 136?A.2 x 2B.2 x 2 x 2C.2 x 2 x 2 x 3D.2 x 2 x 2 x 3 x 17 can someone pls help me
For the function y=7x, if x increases by 2, how does the y-value chage? A. Add 49. B. Multiply by 7. C. Multiply by 14. D. Multiply by 49.
At Best Buy they have a 43 tv that sells for 865 and is on sale for 30% off how much would they pay for the tv after the discount
I need to know this quick
Once absorbed in the small intestine, fatty acids go to A the colon B the liver C the lymph D the ileum
2k-1-5k+6=0. Find the value of k