What is the first step in simplifying the expression?
1 answer:
(9 - 7 X 3 + 4 )²
Always follow the rule
BIDMAS
Brackets
Indices
Division
Multiplication
Addition
Subtraction
First look at the Brackets
There are no indices in the brackets
There is no division in the brackets
There is a Multiplication in the brackets 7 x 3
For the answer
(9 - 7 x 3 + 4)²
Brackets
Multiplication 7 x 3 = 21
(9 - 21 + 4)²
Addition -21 + 4 = -17
(9 - 17)²
Subtraction 9 - 17 = -8
-8²
Now start again once the brackets are gone
-8²
Indices
-8 x -8 = 64
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Answer:
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Answer:
-17
Step-by-step explanation:
15=-3(h+12)
1. Do distributive property
15=-3h-36
-3h=51
H=-17