Question

can anyone help me with this..??
please... :)​

Answer 1

Answer:

z = -2 and 0

Step-by-step explanation:

by using quadratic formula

-b±√b²-4ac >0 [ roots are real ]

2a

-2±√(-2)²-4(1)(2)

2(1)

-2±√4-8

2

-2±√-4

2

-2±2

2

therefore two zeroes are

-2-2 = -2 -2+2 = 0

2 2

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