Explicación paso a paso:
1)
-2x²(5x+6)
(-2x²)(5x) + (-2x²)(6)
-10x³ - 12x²
2) 5x²(3x-7) =
(5x²)(3x) + (5x²)(-7)
15x³ - 35x²
3) -x(x²-5x-3)
(-x)(x²) + (-x)(-5x) + (-x)(-3)
-x³ + 5x² + 3x
4) 4x²(x²-3x-5)
(4x²)(x²) + (4x²)(-3x) + (4x²)(-5)
4x⁴ - 12x³ - 20x²
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Explicación paso a paso:
1)
-2x²(5x+6)
(-2x²)(5x) + (-2x²)(6)
-10x³ - 12x²
2) 5x²(3x-7) =
(5x²)(3x) + (5x²)(-7)
15x³ - 35x²
3) -x(x²-5x-3)
(-x)(x²) + (-x)(-5x) + (-x)(-3)
-x³ + 5x² + 3x
4) 4x²(x²-3x-5)
(4x²)(x²) + (4x²)(-3x) + (4x²)(-5)
4x⁴ - 12x³ - 20x²