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Type: Multiple-Choice
Category: Polynomials and Rational Expressions
Level: Grade 10
Standards: HSA-APR.C.4
Author: carinchrastka@gmail.com
Last Modified: 5 years ago

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Polynomials and Rational Expressions Question

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Grade 10 Polynomials and Rational Expressions CCSS: HSA-APR.C.4

Which one of the following is NOT true?

$(x+2)(x-2)=x^2-4$
$(30+2)(30-2)=900-4$
$(2x+1)(2x-1)=4x^2-1$
$(a+b)(a-b)=a^2-b^2$
$(2a+3b)(2a-3b)=2a^2-3b^2$