Question

a) 19* [7 +(-3)] = 19 x 7 +19 (-3)​

Answer 1

Step-by-step explanation:

19*(7-3)=19×7-57

19*4=133-57

76=76

Answer 2

Answer:

answer is 76

Step-by-step explanation:

19×[7+(-3)] = ?

this example solve by two method

1. according to rule...:

first we must be solve a bracket

after do other operation

19×[7+(-3)] = 19×[4] = 76

2. by your method as mentioned in question...

19×[7]+19×(-3) = 133 - 57 = 76

we can solve by any one method but the 1 st method is

according to rule...

P - parenthesis - first solve bracket - ( )

E - exponent - (that's mean any power number )

M - multiplication - ( ×)

D - division - (÷ )

A - addition - ( + )

S - subtraction - ( - )