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√5 • -4√20

PLEASE SHOW STEP BY STEP ON HOW YOU SOLVED THE EQUATION​

2 Answers

2 votes

Hi ;-)

√5 · (-4√20) = -4√(5 · 20) =

= -4√100 = -4 · 10 = -40

User SuperCop
by
3.6k points
3 votes

Answer:

-40

Explanation:


√(5) * - 4 √(20)

Multiplication is commutative.


- 4 √(20) * √(5)

Apply Profuct Rule


- 4 √(100)

Simplify sqr root of 100


- 4 * 10 = - 40

User Skrx
by
3.5k points