Bonjour;
D = (6+2x)²
= 36 +24x -4x²
G=(6x-4) (6x +4)
=36x² - 16
B = (3-x)²
= 9 -6x +x²
E = (4m+6)²
= 16m² +48m +36
H=(5-x)(5 + x)
= 25 -x²
C = (3x-4)²
= 9x² -24x +16
F=(5-2R)²
= 25 -20R +4R²
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Bonjour;
D = (6+2x)²
= 36 +24x -4x²
G=(6x-4) (6x +4)
=36x² - 16
B = (3-x)²
= 9 -6x +x²
E = (4m+6)²
= 16m² +48m +36
H=(5-x)(5 + x)
= 25 -x²
C = (3x-4)²
= 9x² -24x +16
F=(5-2R)²
= 25 -20R +4R²