Answer:
x = 4, -7
Step-by-step explanation:
x^2 + 3x - 28 = 0
(x - 4 )(x + 7 ) = 0
x - 4 = 0
x = 4
________
x + 7 = 0
x = -7
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Verified answer
Answer:
x = 4, -7
Step-by-step explanation:
x^2 + 3x - 28 = 0
(x - 4 )(x + 7 ) = 0
x - 4 = 0
x = 4
________
x + 7 = 0
x = -7