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PIT_PIT [208]
2 years ago
11

Anyone mind helping!?

Mathematics
2 answers:
katrin2010 [14]2 years ago
6 0

Answer:

B

Step-by-step explanation:

-(x^2+4x-21)

If you were to factor this, it would be,

-(x+7)(x-3)

Please mark me Brainliest

ddd [48]2 years ago
4 0

Answer:

2nd option is the correct answer

The zeros are -7 and 3, because g(x) = -(x + 7)(x - 3)

Step-by-step explanation:

g(x) =  -  {x}^{2}  - 4x + 21 \\  \\  =  -[ {x}^{2}  + 4x - 21]  \\  \\  = -[ {x}^{2}  + 7x - 3x - 21]\\  \\  = -[x( x  + 7) - 3(x  +  7)]\\  \\  = -( x  + 7) (x- 3) \\  \\ plug \: g(x) = 0 \\  \\ -  (x + 7)(x - 3) = 0 \\  \\ x =  - 7 ,\:  \:  \: x = 3

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