Question

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

Answer 1

• a = 5

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