Question

solve 3x+x2=45+4x-3 ​

Answer 1

42

Step-by-step explanation:

$3x + x2 = 45 + 4x - 3$

$3x + 2x = 4x + 45 - 3$

$5x - 4x = 42$

$x = 42$

Please like and mark answer as brainliest

Answer 2

Answer:

x=42

Step-by-step explanation:

3x+x²=45+4x-3

Transpose 4x to -4x

3x-4x+x²=45-3

-x+x²=42

Cancel -x and +x, then x remains

x=42

Hope it helps