adelola12 adelola12

26-06-2020
Mathematics

contestada

solve 10u(u-2)+8=0, by using quadratic formula

Respuesta :

26-06-2020

Answer:

(√5 + 5)/5 and -√5 + 5/5

Step-by-step explanation:

Step 1: Distribute

10u² -20u + 8 = 0

Step 2: Plug into quadratic formula (a for 10, b for -20, c for 8)

( -(-20) ± √ (-20)²-4(10)(8) ) / 2(10)

Step 3: Plug into calc and you should get answer.

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