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2x² + 5x - 42 = 0 * PLEASE SHOW YOUR WORK *
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8 votes
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2x² + 5x - 42 = 0 * PLEASE SHOW YOUR WORK *

User Sveinung Kval Bakken
by
3.0k points

1 Answer

3 votes
3 votes

Answer:

x = - 6, x² =
(7)/(2)

Explanation:


2x^(2) + 12x - 7x - 42 = 0

2x^{2} (x + 6) - 7 (x + 6) = 0

(x + 6) x (2x - 7) = 0

x + 6 = 0

2x - 7 = 0

x = - 6

x =
(7)/(2)

x = - 6, x² =
(7)/(2)

User Dimitry
by
3.0k points
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