Respuesta :

mohammadsaayed

Answer:

1: x ^11

2: y ^12

3: x^ 7

Step-by-step explanation:

In 1 we give the sum

In 2 we give the multiple

In 3 we minus

Answer:

1. x^11 2. x^7 3. y^12

Step-by-step explanation:

1. you add the exponents together 8+3 = 11 2. you subtract the exponents 9-2=7 3. you multiple the exponents 4x3=12

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