Use complete the square to solve 5x²-7x-3=0
2 answers:
Step-by-step explanation:
to take out -(7/5)^2 out u have to multiply with 5 which is out of the bracket.
hope it's helps
Step-by-step explanation:
ax2 + bx + c = 0
x12 = (-b ± √D) / 2a , D = b2 - 4ac .
5x2 + 7x + 3 = 0
a = 5 , b = 7 , c = 3
D = 49 - 60 = - 11 , x1 = (-7 - i √11) / 10
x2 = (-7 + i √11) / 10
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