Which of the equations are true identities?
A. (5b- 2)^2+ 4 = 25b^2– 20b
B. (2x² + y^2)(2x² -...
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Mathematics, 28.06.2020 15:01 Schoolworkspace453
Which of the equations are true identities?
A. (5b- 2)^2+ 4 = 25b^2– 20b
B. (2x² + y^2)(2x² - y2) = 4x^2– y
Choose 1
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Answers: 2
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