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What is the simplified form of (13x - 5x)?

Answer and explanation

Correct answer: 8x

The governing concept is combining like terms. Both 13x and 5x contain the same variable x with the same power, so only their coefficients are subtracted: 13 - 5 = 8. Therefore, 13x - 5x = 8x, making option A correct. Option B adds the coefficients, option C changes the power of x incorrectly, and option D multiplies the coefficients instead of subtracting them.

Related tags

PolynomialsLike TermsSubtractionCoefficientsMathematicsClass 10 McqOperations On Real Numbers And The Laws Of Exponents

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