alstonashley01 alstonashley01

25-01-2021
Mathematics

contestada

Solve for all values of x by factoring.
x^2 + 4x – 30 = -3x

Respuesta :

manissaha129 manissaha129

25-01-2021

Answer:

[tex] {x}^{2} + 4x - 30 = - 3x \\{x}^{2} + 7x - 30 = 0 \\ {x}^{2} - 3x + 10x - 30 = 0 \\ x(x - 3) + 10(x - 3) = 0 \\ (x - 3)(x + 10) = 0 \\ \boxed{x = 3} \\ \boxed{x = - 10}[/tex]

x=3 or x=-10 is the right answer.

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