Question

Help pls ill give branilyest

Answer 1

3(7+5) = 3x7 = 21 and 3x5 =15 21 +15 =36

Answer 2

3 ( 7 + 5 ) and 21 + 15

10 ( 4 + 9 ) and 40 + 90

7 ( 3 + 5 ) and 21 + 35

4 ( 10 + 9 ) and 40 + 36

Explanation:

You can use the distibutive property to figure this out:

3 ( 7 + 5 )

( 3 x 7 ) + ( 3 x 5 )

21 + 15

10 ( 4 + 9 )

( 10 x 4 ) + ( 10 x 9 )

40 + 90

7 ( 3 + 5 )

( 7 x 3 ) + ( 7 x 5 )

21 + 35

4 ( 10 + 9)

( 4 x 10 ) + ( 4 x 9 )

40 + 36