Question

what is factor7x^2-42 ​

Answer 1

Answer:

7x^2-42

7(x^2-6)

..............

Answer 2

Answer:

x=+√6 , x=-√6

Step-by-step explanation:

7x^2 - 42 = 0

7x^2 = 42

x^2 = 42/7

x^2 = 6

x = ±√6