Question

subtract:3x²-5x from 5x²-7x+9​

Answer 1

Answer:

Given :

$subtract \: {3x}^{2} - 5x \: from \: {5x}^{2} - 7x + 9$

Solution :

$( {5x}^{2} - 7x + 9) - ( {3x}^{2} - 5x)$

${5x}^{2} - 7x + 9 - {3x}^{2} + 5x$

${5x}^{2} - {3x}^{2} - 7x + 5x + 9$

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

$ans. \: \: {2x}^{2} - 2x + 9$

Hope it helps.

Answer 2

Answer:

2x²-2x+9

Step-by-step explanation:

like terms can only subtracted

5x²-7x+9 - (3x²-5x)

5x²-7x+9 - 3x² + 5x

5x²-3x²-7x+5x+9

2x²-2x+9