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when is solution of the given quadratic inequality.

x² + 4x - 21 < 0

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When Is Solution Of The Given Quadratic Inequality X 4x 21 Lt 0pa Help Po Need Ko Lang Po Talaga class=

Sagot :

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Answer:

a. x² -4x -21 < 0

b. x² -4x -21 > 0

c. x² -4x -21 = 0

d. x² -4x -21 ≥ 0

Forevermoreandmorego

x E [ - 7, 3]

Explanation:

x < - 7

x > 3

=

x > - 7

x < 3

=

x E [ -7, 3]

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