Which of the following is an example of an identity?
(1) x²+2x+8 =(x + 2)(x+4)
(2) 2x(x...
Mathematics, 11.12.2020 03:20 jasmineeeee449292
Which of the following is an example of an identity?
(1) x²+2x+8 =(x + 2)(x+4)
(2) 2x(x-3)+5x-15 = (2x+5)(x-3)
(3) x² +9=(x+3)
(4) x' +8=(x+2)(x²+4)
Answers: 2
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