10 points! MATH LOVERS please explain MUST SHOW WORK! QUADRATIC equations
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10 points! MATH LOVERS please explain MUST SHOW WORK! QUADRATIC equations

[From: ] [author: ] [Date: 11-11-08] [Hit: ]
b=22, c=24. x= -22 + or - (the square root of 484-384) all over 8. so the answer will be x= -4,......
Solving quadratic equations by factoring. Solve the equation
1.) 8x^2+5x=2x^2=4

2.) -3b^2+3b+90=0

write the quadratic function in intercept form
1.) y=4x^2+22x+24

2.) y=16x^2-121

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1.) do you mean 8x^2+5x=2x^2+4? if so you would combine like terms then move the remaining number to that side like so: 8x^2+5x(-2x^2)= 6x^2
then, 6x^2+5x=4, 0=6x^2+5x+4 :)
then solve 2 :)
for the second part id hve to work it myself :)

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Just remember the song. x equals negative b plus or minus square root b squared minus 4ac all over 2a.
in the first equation, a=4, b=22, c=24. x= -22 + or - (the square root of 484-384) all over 8. so the answer will be x= -4, -3/2

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dont tell me what to do
1
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