mineturtle223 mineturtle223

29-09-2020
Mathematics

contestada

What substitution should be used to rewrite 4x4 – 21x2 + 20 = 0 as a quadratic equation?

Respuesta :

sthadhanbahadur123 sthadhanbahadur123

29-09-2020

35

Step-by-step explanation:

= 32+20-21

= 52-21

= 31

Answer Link

mlghaxs1337 mlghaxs1337

20-10-2020

Answer:

u = x^2

Step-by-step explanation:

on edg 2020

Answer Link

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