Sagot :
Bonjour,
(5x-3)² + (2x+2x)²
= 25x² -30x +9 + 16x²
= 41x² -30x +9
Bonjour,
(5x-3)² + (2x+2x)²
= 25x²-30x+9+(4x)²
= 25x²+16x²-30x+9
= 41x²-30x+9
Bonjour,
(5x-3)² + (2x+2x)²
= 25x² -30x +9 + 16x²
= 41x² -30x +9
Bonjour,
(5x-3)² + (2x+2x)²
= 25x²-30x+9+(4x)²
= 25x²+16x²-30x+9
= 41x²-30x+9