Question

(x-✓2) is a factor of 7x^2 -4✓2x-6

Answer 1

Answer:

yes it is factor of 7x^2-4√2x-6

Step-by-step explanation:

x-√2=0

x=√2

then u need substitute in the equation then u will get 0

Answer 2

Answer:

yes (x-√2) is a factor of 7x^2-4√2x-6

Step by step explanation :

zero of (x-√2)

x-√2=0

x= √2

p(x) = 7x^2-4√2x-6

p(√2) = 7*(√2)^2-4*√2*√2-6

= 7*2-4*2-6

= 14-8-6

= 0

(x-√2) is a factor of 7x^2-4√2x-6 as remainder is zero