Subtract (5x + 3) from (9x – 7).
1 answer:
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Power rule of exponents says that the power of the power of a exponent is equal to the multiplying both the powers. The expression which is equal to the given expression is,
The option B is the correct option.
Given information-
The given expression in the problem is,
Power rule of exponents says that the power of the power of a exponent is equal to the multiplying both the powers.
Suppose<em> </em><em>x</em> is a number with power <em>a. </em>The power is power of the power of number <em>x. </em>Then by the power rule of the exponents,
Using the power rule of the exponents given expression can be written as,
Negative exponents rule says that when a power of a number is negative, then write the number in the denominator with the same power with positive sign.Thus,
Hence the expression which is equal to the given expression is,
The option B is the correct option.
Learn more about the power rule of exponents here;