MariannaG9 MariannaG9

11-06-2021
Mathematics

contestada

Solve: x^2+7x-30=0
Please show all the steps, thank u

Respuesta :

luckyfriskfc luckyfriskfc

11-06-2021

x^2+7x-30=0 Rewrite the expression.

x^2+10x-3x-30=0 Factor the expressions.

x(x+10)-3 (x+10)=0 Factor the expression.

(x+10)(x-3)=0 Separate into possible cases.

x+10=0

Solve.

x-3=0

x1= -10

x2= 3

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