Question

a) (2x −1) (x + 3)-1= 2x2 +1




b) 3(x + 4)2 -3(x-6) = 36

CORONITA EL QUE ME RESPONDA :)

Answer 1

a) (2x −1) (x + 3)-1= 2x2 +1

-2(+3)-1=4+1

-2+3-1=+5

-1-1=+5

+7

b) 3(x + 4)2 -3(x-6) = 36

3(+4) (-1) (-6)=36

3+4-1-6=36

+7-7=36

0=36

36