Question

calcule

a)x²+2x+4=
b)x²-8x+0=
c)x²-12x+36=
d)x²-25=​

Answer 1

Resposta:

a)x²+x= -2

b)x²+x=0

c)x²-x=3

d)x²=25

Explicação passo-a-passo:

a) x²+2x+4=

x²+2x= -4

x²+x= -4/2

x²+x= -2

b) x²-8x+0=

x²-x=0/8

x²-x=0

c) x²-12x+36=

x²-x= -36/-12

x²-x= 3

d) x²-25=

x²= 25