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OpenStudy (anonymous):
Find the sum. (14x2 + 7x) + 9x2 =
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Parth (parthkohli):
Remove the brackets. They're of no use. \( \color{Black}{\Rightarrow 14x^2 + 7x + 9x^2 }\) Now just operate on the like terms.
OpenStudy (anonymous):
14x^2+7x+9x^2 = 23x^2+7x = 23x=7=x=7/23
OpenStudy (anonymous):
sorry plz add minus sign
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