January 2021 0 63 Report
Factorise en utilisant l’égalité a^2-b^2=(a+b)(a-b) A=4x^2-9
B=16-9x^2
C=16x^2-25
D=49x^2-36
E=4-64x^2

A=(x+1)^2-4
B=(x+2)^2-9

^2= signifie au carré
Svp c’est très important merci d’avance
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