How does
2,3,5
4-2,5
1,2,-1
equal 2(2-10)-3(-4-5)+5(8+2)
explain I lost
there was a typo at 4,-2,5 not 4-2,5.
no idea.
where do these sums come from? what are the 3 lists of numbers supposed to mean?
To understand how the given values 2, 3, 5; 4-2, 5; and 1, 2, -1 are equal to the expression 2(2-10)-3(-4-5)+5(8+2), let's break it down step by step.
First, evaluate the expressions within parentheses:
2-10 = -8
-4-5 = -9
8+2 = 10
Now, substitute these values into the expression:
2(-8) - 3(-9) + 5(10)
Next, perform the multiplications:
2 * -8 = -16
-3 * -9 = 27
5 * 10 = 50
Rewrite the expression with the evaluated multiplications:
-16 - 27 + 50
Finally, perform the additions and subtractions:
-16 - 27 = -43
-43 + 50 = 7
Therefore, the expression 2(2-10)-3(-4-5)+5(8+2) simplifies to 7.