Question

(2x-1)(3x_5) quanto da o resultado ?

Answer 1

(2x-1)(3x-5)

2x^2 - 10x - 3x + 5

2x^2 - 13x - 5

Answer 2

6x²-10x-3x+5=0

6x²-13x+5=0

D=-13² -4(6)(5)

D= 169 -120

D=49

BASKARA=   13+- √49/2 *6

×'=13+7/12

X'=20/12

X'=5/3

X''=13-7/12

X''=6/12

X''=1/2