Question

h) (x + 1)(x-3)+2(X+1)??​

Answer 1

Resposta:

5

Explicação passo-a-passo:

(x+1)(x+3)+2(x+1)

x^2+3x+x+3+2x+2

x^2+6x+5

delta= (b^2)-4×a×C

delta=(6^2)-4×1×5

delta=36-20

delta=16

bascra= -b+delta

2

bascra= -6+16=5

2