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Subjects
Class 10MathematicsPolynomialsOperations on real numbers and the laws of exponentsHard
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What is the simplified form of ((5x^3-2x+7)-(2x^3+3x-5))?

Answer and explanation

Correct answer: (,3x^3-5x+12,)

Changing the signs of the second bracket gives (5x^3-2x+7-2x^3-3x+5), so the answer is (3x^3-5x+12). In exams, change the sign of every term in the bracket during subtraction.

Related tags

PolynomialsSubtractionLike-TermsOperationsOperations On Real Numbers And The Laws Of ExponentsMathematicsClass 10 Mcq
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