Question

Fatore os polinomios :
A) x²+5x
B)4x²-12+9
C)x³-2x²+4x-8
D)4x²-9

Answer 1

.a)
x²+5x=x(x+5)
b)
4x²-12x+9=(2x-3)²
c)
x³-2x²+4x-8=
x²(x-2)+4(x-2)=(x²+4)(x-2)
d)
4x²-9= (2x+3)(2x-3)