give tha answer this question plzzz
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(7x^2 +3x+9)-(6x^2 +9x+18)
Now open brackets
7x^2 +3x+9-6x^2 - 9x-18
Now put them like
7x^2 - 6x^2 +3x-9x+9-18
X^2 - 6x-9 answer
Now open brackets
7x^2 +3x+9-6x^2 - 9x-18
Now put them like
7x^2 - 6x^2 +3x-9x+9-18
X^2 - 6x-9 answer
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