27-01-2021
Mathematics

contestada

Subject : Maths
Level : High school
Topic : Surds
Points : 72

Subject Maths Level High school Topic Surds Points 72 class=

Respuesta :

mhanifa mhanifa

27-01-2021

Answer:

a = 5

Step-by-step explanation:

Simplify:

√5(√8 + √18) =
√5*8 + √5*18 =
√40 + √90 =
√4*10 + √9*10 =
2√10 + 3√10 =
(2 + 3)√10 =
5√10

The value of a:

a√10 = 5√10
a = 5

Answer Link

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