misterivanpro misterivanpro

10-03-2018
Mathematics

contestada

HELP PLZ WILL GIVE BRAINLIEST

For what value of x:

is the square of the binomial x+1 twenty greater than the square of the binomial x–3?

Respuesta :

sqdancefan sqdancefan

10-03-2018

I find it easier just to graph this sort of question rather than multiply it all out.

x = 3.5

_____
(x^2 +2x +1) -(x^2 -6x +9) = 20
.. 8x -8 = 20
.. x = 28/8 = 3.5

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kavyasrivastava762 kavyasrivastava762

21-02-2021

Answer:

Step-by-step explanation:

All I know is x=3.5 is wrong

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