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# Title: [Johannis Wallis S. T. D. Geometriae Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis] Johannis Wallis S. T. D. Geometriæ Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis (shelfmarks Leibn. Marg. 100:1/2, Stück 2; Leibn. Marg. 100:1/2)
# Folio 146, page id 851708439:0170
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A L O F B R A. Cap. XXXIV.
2. r+ a = + g. Y + 3rra + 3raa + aaa = = 499. Radix, + g - r.
hoc est a. + r -g -0. aa a + 3r aa +3rr a F rrr =0.
292
ZL. a - r = + 9. aaa = 3raa + 3rra = rrr = + 999. Radix, + g +
Hoc est, a - r = 9 --0. aa a - 3r aa + 3rr a = rrr = 0.
Vel; ut tas aequationes post repetie,
=492
IX. B a- - +c. a = B - c. aaa = 3baa = 3 bba = = bbb -cc5. Radix, - c.
Sect. 4. DC. 12.
Z. a +B = +c: a = + c - B. aaa. + 3 baa = 3bba = - bbB. f Ccc. Radix, C- v.
Sect. 4. PF. 10.
XT. a B -- +6. a = = B + c. aaa -- 3 baa + 3bba = + B6B. + ccc. Radix, b + 5.
Sect. 4. PF. ZI.
= 2b. a b - 1b. aaa = 3ba a + 366 a =2bbb. Sect 4. pr. 13. Radtis 28.
e A C. ARAIV
Aqato tab  Mbtodabi.
abinis Laceralibus.
Ouationes Biquadratieas similiter derirac: Vet ex quatuor Laleralibus;
rel ex binis Quadraticis; vel a Laterali et Cubica, vel a Quadratica e
Radices; =B, F C, = c F 5.
2a4a - ba4 a = bCaa
aaa = b da a
daaa =cd a a - bc d a
Faaa  bF aa - bcFa
+cFaa - b aFa
+afaa - cdf a + bcaf=
Sect. 4. Pr. 20.
aa a = baaa F BCa
a aa = bd
daaa + cda a = Bcd a
Faa a- b5aa F bCfa
cFaa = baF a
dfaa + c dfa - bcdf 0.
dices, = B, + 6, + d, - f.
Sect. 4. BI. Lu
TII.
146
lc
1