Question

subtract 2x²-5x-3 from 4+x+3x²​

Answer 1

Answer: (x−2)(5x+6)

Step-by-step explanation:

2x

2

−5x−34+x+3x

2

Multiply 3 and 4 to get 12.

2x

2

−5x−12+x+3x

2

Combine −5x and x to get −4x.

2x

2

−4x−12+3x

2

Combine 2x

2

 and 3x

2

 to get 5x

2

.

5x

2

−4x−12

Answer 2

$4 + x + 3 {x}^{2} - (2 {x}^{2} - 5x - 3)$

$= 4 + x + 3 {x}^{2} - 2 {x}^{2} + 5x + 3$

$= 3 {x}^{2} - 2 {x}^{2} + x + 5x + 4 + 3$

$= {x}^{2} + 6x + 7$