Question

What should be added to
$2 {x}^{2} - 5x + 7$
to get
${x}^{2} + 11x - 3$
​

Answer 1

Answer:

here is your answer

Subtract it

See if it s helpful

Answer 2

Answer:

answer is -x²+16x-10

Step-by-step explanation:

Let the required number is A

according to the given problem

=>2x²-5x+7+A=x²+11x-3

=>A=(x²+11x-3)-(2x²-5x+7)

=>A=x²+11x-3-2x²+5x-7

=>A=(x²-2x²)+(11x+5x)+(-3-7)

=>A=-x²+16x-10

The required answer is -x²+16x-10