Question

Q.1 Solve each of the following equations giving your answer correct to 2 decimal places.
a) x²+ 2x-5=0
b) x²-6x+1
c) x²+3x-2
d) x²+9x-1
e) x² -2/9x
f) x²+0.2x
g) x²-1.4x

Q.2 Solve each of the following equations.
a) x(x-3)=5x+1
b) (x+2)(x-5)=4x
c) x(x-4)=2(x+7)

Answer 1

Answer:

equation no.1:

1.73

Step-by-step explanation:

x(x-3)=5x+1

x²+3x=5x+1

x²-1=5x-3x

x²-1=2x

x²=2x+1

x²=3x

taking √` on b.s

√`x²=√`3x

x=1.73