Question

X ao quadrado -3 = 4x +2

Answer 1

25x

Explanation:

(5x squared + 2x +1) + (x squared -4x + 2x)

(25x + 2x +1) + (x squared -4x + 2x)

(25x + 2x +1) + (2x -4x + 2x) )

(27x +1) + (-2x + 2x)

(27x + 1-1) + (-2x + 2x) -1

27x -x -1

26x -1

25x