Mathematics, 16.10.2019 06:10 ani61

Can someone solve these.
1) what is x? :
2x(103 + x)

2) what is x? :
(5x - 5)(2x + 97)

3) what is x? :
(199 - x)(3x + 11)

4) what is x? :
(-5x + - 11)

5) what is x? :
(-x - 60)(52 - 8x)

Answers: 3

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Can someone solve these.
1) what is x? :
2x(103 + x)

2) what is x? :