Question

Ajutati-ma !!
Descompuneti in factori : a) 5x + 5xy b) ax + bx - cx c) x² - 6x d) x²y- x³ + 2x e) x³ - 2x² + 5x f) x la a patra - x³ + 4x² + 8x

Answer 1

Răspuns:

a) 5x(1+y)

b) x(a+b+c)

c) x(x-6)

d) x(xy-x la a doua +2)

e) x(x la a doua - 2x + 5)

f) x(x la a treia -x la a doua + 4x + 8)=x[ x la a doua ( x - 1 ) + 4 ( x+ 2)