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Find the solution set of the quadratic equation. 1) x(x+3) = 4​

Sagot :

Step-by-step explanation:

[tex] {x}^{x} (x + 3) = 4 \\ \\ {x}^{2} + 3 \times - 4 = 0 \\ \\a = 1 \: b = 3 \: c = - 4 \\ \\ {3}^{2 } - 4 \times 1 \times ( - 4) \\ \\ the \: answer \: is \: 25[/tex]