Question

решите пожалуйста срочна!!!

1) $25x^{2} -1=0$

2)$x^{2} +7x-18=0$

3)$x^{2} =18-7x$

4)$x^{2} -5x-14=0$

5)$(x-10)^{2}=(5-x)^{2}$

6)$\frac{4}{3} x^{2} -48=0$

7)$x^{2} +4=3x-18=0$

Answer 1

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