1)x (x+3)=10
х=2 2)x (x-1)=42
х=7 3)(x+7) x=18
х=2 4)(x-9) x=36
х=12
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1)x (x+3)=10
х=2
2)x (x-1)=42
х=7
3)(x+7) x=18
х=2
4)(x-9) x=36
х=12