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Mathematics 15 Online
OpenStudy (anonymous):

x^2-16 and x^2+8x+16 compare and contrast the answers

OpenStudy (anonymous):

factor both. see what x= in each

OpenStudy (cwrw238):

x^2-16 is difference of 2 squares factors are (x+4)(x-4) x^2 + 8x + 16 is a perfect square; (x+4)(x+4) x+4 is common to both

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