Question

2X elevado a 2 -x+3 valor de X -1


X elevado a 2-2X+3 valor de X 2​

Answer 1

x = - 1

2x² - x + 3 =

2.(-1)² - ( - 1 ) + 3 =

2 . ( -1×-1 ) + 1 + 3 =

2 . 1 + 4 =

2 + 4 = 6

x = 2

x ² - 2x + 3 =

( 2 ) ² - 2 . ( 2 ) + 3 =

( 2 × 2 ) - 4 + 3 =

4 - 4 + 3 =

0 + 3 = 3