Multiply using identities.
i) (2x+3) (2x+3) ii) (5x-1) (5x+1)
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Step-by-step explanation:
i) (2x+3) (2x+3)
4x² + 6x + 6x + 9
4x² + 12x + 9
ii) (5x - 1) (5x + 1)
25x² + 5x - 5x - 1
25x² - 1
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