Question

subject subject math math​

Answer 1

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-5x²y² + 7x - 9 -(2x²y² - 5x + 7)

-5x²y² + 7x -9 -2x²y² + 5x - 7

(-5x²y² - 2x²y² ) + (7x+5x ) + ( -9-7)

-7x²y² + 12x - 16

$\sf{ \blue{ɧơ℘ɛ  \:  ɬɧıʂ \:    ɧɛƖ℘ʂ \:   ყơų}}$

please mark me as brainliest .

Answer 2

Answer:

i dont know this question...

Step-by-step explanation: