suhweetie8 suhweetie8

08-04-2021
Mathematics

contestada

Rewrite the equation by completing the square. x^{2}+4x-21 = 0

Respuesta :

dsffsd82 dsffsd82

08-04-2021

Answer:

x={3,-7}

Step-by-step explanation:

brackets for list

Solve with quadratic formula

separate the solutions

Square

Answer Link

jiaojason2020 jiaojason2020

11-05-2021

Answer:

2 for the first box and 25 for the second one.

Step-by-step explanation:

Answer Link

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