Question

3. Write three situations for the following where brackets would necessar
0 9(8-2) (b) (5+3) (12-5)
1
​

Answer 1

Answer:

63

Step-by-step explanation:

a) 7(8-3)

solution-

7(8-3)

[ when we will open bracket 8 and 3 will be multiplied by 7]

= (7×8) - ( 7×3)

= 56 - 21

= 35

Direct Method , solve the bracket first -

7(8-3)

= 7×5

= 35

(b) (7+2)(10-3)

solution-

(7+2)(10-3)

[we will open one of the brackets]

7(10-3) + 2(10-3)

= {(7×10) - (7×3)} + {(2×10 - 2×3)}

= {70-21} + {20-6}

= 49 + 14

= 63

Direct Method , solve the brackets -

(7+2) (10-3)

= 9 × 7

= 63

hope this helps you

make me as brain list

pls