Question

9√5 - 4√5 + √125 simplify the following surd

Answer 1

Answer:

10√5

Step-by-step explanation:

9√5-4√5+5√5

√5(9-4+5)

10√5

Answer 2

Answer:

10√5

Step-by-step explanation:

9√5 - 4√5 + √125

we know that,

√125 = √5 × √5 × √5

         = 5√5

now,

9√5 - 4√5 + 5√5

= 10√5

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