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3 answers

Y^2-6y=16
or,y^2-6y-16=0
or,y^2+2y-8y-16=0
or,y(y+2)-8(y+2)=0
or,(y+2)(y-8)=0
or,y= -2 or 8

3x^+x-14
=3x^2-6x+7x-14
=3x(x-2)+7(x-2)
=(x-2)(3x+7)

42a^2b+24a^2b^2-30ab^2
=6ab(7a+4ab-5b)

2007-08-19 13:38:05 · answer #1 · answered by alpha 7 · 0 0

y^2-6y=16
y^2-6y-16 =0
(y-8)(y-2) = 0
y = 8 or 2

3x^2+x-14
=(3x+7)(x-2)

42a^2b+24a^2b^2-30ab^2
= 6ab(7a +4ab-5b)

2007-08-19 13:45:06 · answer #2 · answered by ironduke8159 7 · 0 0

y^2-6y=16
y^2-6y-16=0

(y-8)(y+2)=0

y=8,-2


3x^2+x-14=0
(3x+7)(x-2)=0
x=2,-7/3


42a^2b+24a^2b^2-30ab^2=0

ab(42a+24ab-30b)=0

ab=0
42a+24ab-30b=6(7a+4ab-5b)=0
7a+4ab-5b=0
a=(1.25b)/(b+1.75)
(a,b)=0,0

2007-08-19 13:43:41 · answer #3 · answered by bradlelf 2 · 0 1

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