Question

solve this equation: 28/√28-√7​

Answer 1

Answer:

28/√28-√7 => 28(√28+√7)/(√28-√7)(√28+√7) => 28/21(√28+√7) => 4/3(2√7+√7) => 4/3(3√7) => 4√7

Step-by-step explanation:

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Answer 2

28/ √28-√7 × √28+√7/ √28+√7

= 28√28+28√7/ 28-7

= 28√28+28√7 /21

= 56√7 + 28√7/ 21

= 84√7/21

= 4√7