The problem
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Why square root 7 power 1+1 multiplied by 3x power 1+1?
Answer provided by our tutors
We need to combine like factors in this term by adding up all the exponents and copying the base:
7x*3*7x = (7*7)(x*x)*3 = 7^(1+1)x^(1 + 1)*3 = (7^2)(x^2)*x
