Question

1. ײ+4×=0
2. ײ-18=0
3. 2ײ+1=ײ+2
4. 5ײ-20×+15=0
5. 2ײ-6×=0
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Answer 1

1. ײ+4×=0

ײ=-4×

×=-4

2. ײ-18=0

ײ=18

ײ=9*2

×=$\sqrt{9*2$

×=3*$\sqrt{2}$

3. 2ײ+1=ײ+2

2ײ-ײ=2-1

ײ=1

×=1

4. 5ײ-20×+15=0

   5             -5

    1             -3

(5x-5) (x-3)

5x-5=0

x=5/5=1

x-3=0

x=3

5. 2ײ-6×=0

2ײ= 6×

ײ=3×

×=3