njahierica
njahierica
22-05-2018
Mathematics
contestada
What about this one ??
Respuesta :
McChuck
McChuck
22-05-2018
The first expression is equivalent to B
The second expression is equivalent to A
The third expression is equivalent to C
You are basically adding like terms. For example for the first expression, it is 7x^2 + 2x^2, which equals 9x^2. Remember since you're adding, do not add the exponents.
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