Question

x⁴+x³+x²=
(x+2)²-(x+2)
(2x+5)(x-3)-4(2x+5)=
va rog ajutatima va implor
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Answer 1

Răspuns:

1 ) x^4+x^3+x^2=x^2×(x^2+x+1)

2). (x+2)^2-(x+2)=(x+2)×(x+1)

(x+2)×(x+2-1)

(x+2)×(x+1)

3) (2x+5)(x-3)-4(2x+5)=

(2x+5)×(x-3-4)

=(2x+5)×(x-7)