Question

solve the followings​

Answer 1

Step-by-step explanation:

Q-4= (x+9) (x-9)

sol: multily x multiply x and x multiply 9

x2 squer x9

Answer 2

$\large\boxed{\green{\boxed{\red{\boxed{\blue{\boxed{\boxed{\boxed{\red{メSђสŇtสŇบ࿐}}}}}}}}}}$