y = -2x2 + 10 y = -2x – 2

Step-by-step explanation:

hello :

y = -2x² + 10

y = -2x – 2

-2x²+10 = -2x-2

2x²-2x -12 = 0

x²-x-6 = 0

(x-3)(x+2)=0

x-3=0 or x+2=0

x=3 or x=-2

but  y = -2x-2

if ; x=3     y = -2(3)-2 =-8

if : x=-2     y=-2(-2)-2=2

two solutions : (3 , -8)  and (-2 , 2)

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