Doprowadź do najprostszej postaci.
a)
(2+a)²+(2-a)²-2²-a²=
b)
(2x+4)²-4x²-16=
c)
9x²-25+(3x-5)(3x+5)-2x=
d)
(7-y)²+(y+7)²+1 =
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a. (2²)²-(a² )²-2²-a² = 16-a⁴-4-a²= 8 - a²
b. 4x²+16x+16 - 4x²-16 = 16x
c. 9x²-25x+(3x)²-5²-2x = 9x²-25x+9x²+25-2x= 18x²-27x-25
d.[(7²)]² - [(y)²]² + 1 = 2401+y⁴+ 1 = 2402 + y²