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3x² + 2 × 3x × 5 - 5² Qui pourait m'expliquer svp ?
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3x² + 2 × 3x × 5 - 5²

Qui pourait m'expliquer svp ?

User YetAnotherUser
by
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1 Answer

3 votes

Answer:

Explanation:

3x² + 2 * 3x * 5 - 5²

= 3x^2 +2 * 3x * 5 - 25 ( then do 2*3x*5 = 30x)

=3x^2+30x-25

User Nateowami
by
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