Explicación paso a paso:
3.
a. 2x(x+2) + (x+2) = (x+2)(2x+1)
b. 3x(x+3) + (x+3) = (x+3)(3x+1)
c. 8xy(x+1) + (x+1) = (x+1)(8xy+1)
d. 4a(3a-2) - (3a-2) = (3a-2)(4a-1)
4.
a.(x-4)² = x² - 8x + 16
b.(5x+2)² = 25x² + 20x + 4
c.(x-3)² = x² - 6x + 9
5.
a. x² - 14x + 49 = (x-7)²
b. x² + 12x + 36 = (x+6)²
" 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:
3.
a. 2x(x+2) + (x+2) = (x+2)(2x+1)
b. 3x(x+3) + (x+3) = (x+3)(3x+1)
c. 8xy(x+1) + (x+1) = (x+1)(8xy+1)
d. 4a(3a-2) - (3a-2) = (3a-2)(4a-1)
4.
a.(x-4)² = x² - 8x + 16
b.(5x+2)² = 25x² + 20x + 4
c.(x-3)² = x² - 6x + 9
5.
a. x² - 14x + 49 = (x-7)²
b. x² + 12x + 36 = (x+6)²