Question

EXERCI
1. Solve, each of the following equations, using
the formula :
(i) x2 - 6x = 27
(ii) x2 – 10x + 21 = 0
(iii) x2 + 6x - 10 = 0 (iv) x2 + 2x – 6 = 0
(v) 3x2 + 2x – 1 = 0 (vi) 2x2 + 7x + 5 = 0
1 x2
(viii)
(vii) x =-
Ол
1 3
x² +
X
در
(ix) x2 - 6 = 272 x
4
5
(x)
-3=
х
2 x + 3​

Answer 1

Answer:

I)-4x=27

x=27/4

6.something

Answer 2

Answer:

no idea

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