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A student stated that x = - 5 and
x= -2 are the solutions to the quadratic
equation x2 – 7x + 10 = 0 because the
equation factors to (x - 5)(x - 2) = 0.
Is the student correct or incorrect?
Explain

Respuesta :

saraalvi00

Answer:

Student is incorrect

Step-by-step explanation:

x^2-7x+10=0

x^2+2x-5x+10=0

x(x-2)-5(x-2)=0

(x-5)(x-2)=0

x-5=0    ,     x-2=0

x=5     ,       x=2

So the correct solutions  of given equation is 2 and 5

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