Respuesta :
Answer:
2x (x-4) (x+4)
4(x+3)(x+2)
Step-by-step explanation:
1. 2x^3 - 32x
Factor out 2x
2x(x^2 - 16)
2x( x^2 - 4^2)
This is the difference of squares ( a^2 - b^2) = (a-b) (a+b)
2x (x-4) (x+4)
2. 4x^2 + 24x + 20
Factor out 4
4 (x^2 +6x +5)
What 2 numbers multiply to 5 and add to 6
3*2 =6
3+2 =5
4(x+3)(x+2)
Answer:
1. 2x(x - 4)(x + 4)
2. 4(x + 1)(x + 5)
Step-by-step explanation:
1. 2x³ - 32x
2x(x² - 16)
2x(x² - 4²)
2x(x - 4)(x + 4)
2. 4x² + 24x + 20
4(x² + 6x + 5)
4(x² + 5x + x + 5)
4[x(x + 5) + 1(x + 5)]
4(x + 1)(x + 5)