Bonjour
a. 2x(x+3) -8 = 2x^2 + 6x -8
b. 2(x+3/2)² -12.5 = 2(x^2 + 6/2x + 9/4) -12,5 = 2x^2 + 6 x+ 18/4 -12,5 =
2x^2 + 6x + 4,5 -12,5 = 2x^2 + 6x -8
c. 2(x+4)(x-1) = 2 (x^2 -x +4x -4) = 2x^2 + 6x -8
d. (x+4)(x-1) = x^2 -x +4x -4 = x^2 + 3x -4
résoudre l'équation
2x²+6x-8 = -8
2x^2 + 6x -8+8 = 0
2x^2 +6x = 0
2x(x + 3) = 0
2x = 0
X = 0
X + 3 = 0
X = -3
Bonjour,
developper ces 4 formules?
a. 2x(x+3) -8 = 2x^2 + 6x - 8
b. 2(x+3/2)² -12.5 = 2(x^2 + 3x + 9/4) - 12,5 = 2x^2 + 6x + 9/2 - 25/2 = 2x^2 + 6x - 16/2 = 2x^2 + 6x - 8
c. 2(x+4)(x-1) = 2(x^2 - x + 4x - 4) = 2x^2 + 6x - 8
d. (x+4)(x-1) = x^2 - x + 4x - 4 = x^2 + 3x - 4
Trouver l'écriture pouvant m'aider à résoudre l'équation 2x²+6x-8 = -8
2x² + 6x - 8 + 8 = 0
2x² + 6x = 0
2x = 0 ou x + 3 = 0
x = 0 ou x = -3
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Verified answer
Bonjour
a. 2x(x+3) -8 = 2x^2 + 6x -8
b. 2(x+3/2)² -12.5 = 2(x^2 + 6/2x + 9/4) -12,5 = 2x^2 + 6 x+ 18/4 -12,5 =
2x^2 + 6x + 4,5 -12,5 = 2x^2 + 6x -8
c. 2(x+4)(x-1) = 2 (x^2 -x +4x -4) = 2x^2 + 6x -8
d. (x+4)(x-1) = x^2 -x +4x -4 = x^2 + 3x -4
résoudre l'équation
2x²+6x-8 = -8
2x^2 + 6x -8+8 = 0
2x^2 +6x = 0
2x(x + 3) = 0
2x = 0
X = 0
X + 3 = 0
X = -3
Verified answer
Bonjour,
developper ces 4 formules?
a. 2x(x+3) -8 = 2x^2 + 6x - 8
b. 2(x+3/2)² -12.5 = 2(x^2 + 3x + 9/4) - 12,5 = 2x^2 + 6x + 9/2 - 25/2 = 2x^2 + 6x - 16/2 = 2x^2 + 6x - 8
c. 2(x+4)(x-1) = 2(x^2 - x + 4x - 4) = 2x^2 + 6x - 8
d. (x+4)(x-1) = x^2 - x + 4x - 4 = x^2 + 3x - 4
Trouver l'écriture pouvant m'aider à résoudre l'équation 2x²+6x-8 = -8
2x² + 6x - 8 + 8 = 0
2x² + 6x = 0
2x(x + 3) = 0
2x = 0 ou x + 3 = 0
x = 0 ou x = -3