rozłóż na czynniki x³+5x²-2x-10=
x³+5x²-2x-10=x²(x+5)-2(x+5)=(x+5)(x²-2)=(x+5)(x+√2)(x-√2)
a^2-b^2=(a+b)(a-b)
x³+5x²-2x-10 = x²(x+5) -2(x+5) = (x+5)(x²-2) = (x+5)(x+√2)(x+5)(x-√2)
(a+b)(a-b) = a²-b²
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x³+5x²-2x-10=x²(x+5)-2(x+5)=(x+5)(x²-2)=(x+5)(x+√2)(x-√2)
a^2-b^2=(a+b)(a-b)
x³+5x²-2x-10 = x²(x+5) -2(x+5) = (x+5)(x²-2) = (x+5)(x+√2)(x+5)(x-√2)
(a+b)(a-b) = a²-b²