Question

simplify :(3+√7)×(4+√7)​

Answer 1

ANSWER

∣

7−4

3

∣=?

Now let us factor 7−4

3

7−4

3

=7−4

3

−(

3

)

2

+(

3

)

2

                =7−4

3

−3+(

3

)

2

                =4−4

3

+(

3

)

2

                =(2)

2

−4

3

+(

3

)

2

7−4

3

=(2−

3

)

2

∴

7−4

3

=

(2−

3

)

2

=2−

3

⇒∣

7−4

3

∣=∣2−

3

∣=2−

3

∴∣

7−4

3

∣=2−

3

Answer 2

Answer:

I sent the picture above

Step-by-step explanation:

there are 2 ways of solving it.

hope that helps