Respuesta :
Raul should have first removed the innermost grouping symbols, the parentheses, by distributing 7h.
He should not have added like terms before multiplying.
Raul only multiplied the 10h times the 2 and forgot to multiply it through the quantity to the –h.
The error is He should not have added like terms before multiplying. Also, he multiply 10h in 2 only not with (-h)
What is expression?
An expression is a sentence with a minimum of two numbers or variables and at least one math operation.
Given:
–[3h + 7h(2 – h)]
Raul have apply BODMAS, first he have multiply 7h and then perform the subtraction and addition.
He should not have added like terms before multiplying. Also, he multiply 10h in 2 only not with (-h)
Learn more about expression here:
https://brainly.com/question/14083225
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