solve the following by completing the square method.
1. 4x^2 + 15x - 19 = 0
please please please please help me out urgently...
Answers
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Step-by-step explanation:
a=4, b=15 , c=-19
b²-4ac
15²-4×4×-19
225+304
=529
one root = -b+√529/2a
= -15+23/2×4
=8/8 =1
another root = -15-23/8
= -38/8
= -19/4
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