3 years ago

(2x^2+7+10)-(x^2+2x-9)

1 answer:

svlad2 [7]3 years ago

6 0

Step-by-step explanation:

$2 {x}^{2} + 7 + 10 - ( {x}^{2} + 2x - 9) \\ 2 {x}^{2} + 7 + 10 - {x }^{2} - 2x + 9 \\ {x}^{2} - 2x + 26$

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