Question

(6x2-4x+5)-(3x2+8x-2)


potencia​

Answer 1

(6x2-4x+5)-(3x2+8x-2)

6x2 - 4x + 5 - 3x2 - 8x + 2

6x2 - 3x2 - 4x - 8x + 2 + 5

3x2 - 12x + 7

delta = (-12)2 - 4.3.7

delta = 24 - 84 = 60

x = ( - (-12) +- raiz de 60 ) / 2.3

x = ( 12 +- raiz de 60 ) / 6