Answer:
A.n²-10n=-21
n²-10n+21=0
(n-7)(n-3)
n=7 and n=3 THE
B.x²+4x=5
x²+4x-5=0
(x+5)(x-1)=0
x=-5 and x=1 NEWSPAPER
C.u²-8=7u
u²-7u-8=0
(u-8)(u+1)=0
u=8 and u=-1 EDITOR
D.m²=11m
m²-11m=0
m²=11m
m=11 WHO
E.9a=-a²-18
a²+9a+18=0
(a+6)(a+3)=0
a=-6 and a=-3 VISITED
F.h²=32-4h
h²+4h-32=0
(h+8)(h-4)=0
h=-8 and h=4 SOME
G.3y²+14y=5
3y²+14y-5=0
y²+14y-15=0
(y+15)(3y-1)=0
y=-5 and 1/3 CANNIBALS
H.2x²+10=9x
2x²-9x+10=0
x²-9x+20=0
(2x-5)(x-4)=0
x=5/2 and x=2 AND
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Answers & Comments
Answer:
A.n²-10n=-21
n²-10n+21=0
(n-7)(n-3)
n=7 and n=3 THE
B.x²+4x=5
x²+4x-5=0
(x+5)(x-1)=0
x=-5 and x=1 NEWSPAPER
C.u²-8=7u
u²-7u-8=0
(u-8)(u+1)=0
u=8 and u=-1 EDITOR
D.m²=11m
m²-11m=0
m²=11m
m=11 WHO
E.9a=-a²-18
a²+9a+18=0
(a+6)(a+3)=0
a=-6 and a=-3 VISITED
F.h²=32-4h
h²+4h-32=0
(h+8)(h-4)=0
h=-8 and h=4 SOME
G.3y²+14y=5
3y²+14y-5=0
y²+14y-15=0
(y+15)(3y-1)=0
y=-5 and 1/3 CANNIBALS
H.2x²+10=9x
2x²-9x+10=0
x²-9x+20=0
(2x-5)(x-4)=0
x=5/2 and x=2 AND