Question

what should be added to 7 x² minus 5 x + 1 to get minus 3 X² + 4 x + 7​

Answer 1

Answer:

$( -3 {x}^{2} + 4 {x} + 7)-(7 {x}^{2} - 5x + 1)$

$- 3 {x}^{2} + 4x + 7 - 7 {x}^{2} + 5x - 1$

$- 10 {x}^{2} + 9x + 6$

(-10x²+9x+6) should be added to (7x²-5x-1) to get (-3x²+4x+7)

Answer 2

Answer:

let X should be added

7x² - 5x + 1 + X = -3x² + 4x + 7

X = -3x² +4x + 7 - 7x² + 5x -1

= -10x² + 9x + 6 answer..

_______________________

__hope this helps you__

thnqq and have a great day ❤️__

good luck for ur exam...