Question

What will be the method of the sum, [20-2{5+(-2)}×{2(5-2-9)}]?

Answer 1

Answer:

[20-2(5+(-2))×(2(5-2-9))]

step 1:

=[20- 2(5-2)×(2(5-11))]

step 2:

=[20-2(3)×(2(-6)]

step 3:

=[20-6×(-12)]

step 4:

=[20+72]

step 5:

=92