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thorezstephani
@thorezstephani
January 2021
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Bonjour develloper l expression
(2×x+3)^2-2x×(2x+3)
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maudmarine
Verified answer
Bonjour,
(2 * x + 3)² - 2x * (2x + 3)
= (2x + 3)² - 4x² - 6x
= 4x² + 12x + 9 - 4x² - 6x
= 4x² - 4x² + 12x - 6x + 9
= 6x + 9
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Verified answer
Bonjour,(2 * x + 3)² - 2x * (2x + 3)
= (2x + 3)² - 4x² - 6x
= 4x² + 12x + 9 - 4x² - 6x
= 4x² - 4x² + 12x - 6x + 9
= 6x + 9