Question

Find the product of (x + 7)(x - 7).

x2 - 14x + 49

x2 - 49

x2 + 14x + 49

x2 + 49

Answer 1

just expand it

Answer 2

x*(x-7)+7*(x-7)
can u do it now ...just simple multiplication

Answer 3

x^2 + 14x + 49?

Answer 4

or would it just be x^2 + 49?

Answer 5

@gorv

Answer 6

$$\Huge (x + 7)(x - 7)=x^2 - 7^2$$

Answer 7

so x^2 - 49

Answer 8

$$\Huge (a+b)(a-b)=a^2-b^2$$

Answer 9

Yes

Answer 10

thanks both of you :D

Answer 11

Thanks for asking :-)