Question

(ii) (x + 3) (x – 3) = 40.​

Answer 1

Answer:

x=7 Mark my answer in brainlist

Answer 2

Answer:

7

Step-by-step explanation:

x^2-3x+3x-9=40

x^2-9=40

x^2=40+9

x^2=49

x=√49

x=7