4 years ago

Can someone please help a girl out

Mathematics

1 answer:

Mazyrski [523]4 years ago

3 0

Answer:

Step-by-step explanation:

so when X=2 Y=1

and when it is X=-2 Y=1

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Which are the solutions to the equation 4x^2-7x=3+24

inysia [295]

Hello from MrBillDoesMath!

Answer:

(1/8) ( 7 + sqrt(481) )

(1/8) ( 7 - sqrt(481) )

Discussion:

The equation is equivalent to 4x^2 - 7x -27 = 0 (as 3 + 24 = 0), Using the quadratic formula:

x = ( - (-7) +\- sqrt ((-7)^2- 4*4*(-27)) )/ (2*4)

= (1/8) ( 7 +\- sqrt(49+ 432) ) =

= (1/8) ( 7 +\- sqrt(481))

Regards,

MrB

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