ECUACIÓN CUADRÁTICA :AYUDENME1?
ECUACIÓN CUADRÁTICA : AYUDENME 1. X² + 2x + 1 = 0 2. X² = 2 + x 3. X² + x + 1 = 0.
ECUACIÓN CUADRÁTICA : AYUDENME 1. X² + 2x + 1 = 0 2. X² = 2 + x 3. X² + x + 1 = 0.
ax² + bx + c = 0
En resumen
1. x ^ 2 + 2x + 1 = 0 (x + 1) ^ 2 = 0 x + 1 = 0 x = - 1 2. X ^ 2 = 2 + x x ^ 2−x = 2 x ^ 2−x−2 = 0 (x−2)(x + 1) = 0 x - 2 = 0 | x = 2 x + 1 = 0 | x = −1.
1. x ^ 2 + 2x + 1 = 0
(x + 1) ^ 2 = 0
x + 1 = 0
x = - 1
2.
X ^ 2 = 2 + x
x ^ 2−x = 2
x ^ 2−x−2 = 0
(x−2)(x + 1) = 0
x - 2 = 0 | x = 2
x + 1 = 0 | x = −1.
1. - x² + 2x + 1 = 0
(x + 1)²
x = - 1
2.
- x² = 2 + x
x² - x - 2 = 0
(x - 2)(x + 1)
x = 2
x = - 1
3.
- x² + x + 1 = 0
√x² = x √1 = 1 y multiplicamos por 2
2 * x * 1 = 2x
luego sumamos y restamos x
x² + x + 1 - - - + x - - - - x - - - - - - - - - - - - - - - - - - - - -
(x² + 2x + 1) - x
(x + 1)² - x.
(x + 3) (x - 3) = (x + 2) ( - x - 2) x² - 3x + 3x - 9 = - x² - 2x - 2x - 4 x² + x² - 9 = - 4x - 4 2x² + 4x - 9 + 4 = 0 2x² + 4x - 5 = 0 → a = 2, b = 4, c = - 5 ¡Usare formula general! X = [( - b ± √(b² - 4ac)] / 2a…
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2. ) ax - 2bx - 2ay + 4by x(a - 2b) - 2y(a - 2b) (x - 2y)(a - 2b) 3. ) 3m - 2nx⁴ - 3mx⁴ 3m(1 - x⁴) - 2nx⁴ 3m(1 - x²)(1 + x²) - 2nx⁴ 4. ) x² - a² + x - a²x x(x + 1) - a²(x + 1) (x - a²)(x + 1) 5. ) 4a³ - 1 - a² + 4a…
5x(X + 2) + 6 = 3 5x² + 10x + 6 - 3 = 0 5X² + 10x + 3 = 0 AX² + BX² + C = 0 X = - 10±√10² - 4(5)(3) ————————— 2(5) x = - 10±√100 - 60 ——————— 10 x = - 10±√40 . ———— . 10 x = - 10±2√10 . - - - - - - - - - - - - - . . 10…
Trinomio de la forma : ax2 + bx + c 35 - 4x = 4x2 4x2 + 4x - 35 Factorizar 4(4x2 + 4x - 35) (4x)2 + 4(4x) - 140 (4x - 10)(4x + 14) / (2) * (2) (2x - 5)(2x + 7).