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Multiply this radical expressions. (√ 7X - 3 + 4) 2
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Multiply this radical expressions. (√ 7X - 3 + 4) 2

User Ardabro
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1 Answer

5 votes

Answer:


{ \tt{( √(7) x - 3 + 4) {}^(2) }} \\ { \tt{ = ( √(7)x + 1) {}^(2) }}

» Split the bracket:


{ \tt{ = ( √(7) x + 1)( √(7)x + 1) }}

» Open brackets following distributive property;


{ \tt{ = {7x}^(2) + 2 √(7) x + 1}}

User Zhiming
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