1.

Find the value of a and b for the quadratic equation 5x2 - 7= -6x​

Answer»

Answer:

5x² + 6x - 7 = 0

Comparing the quadratic equation with ax² + bx + C = 0, we get

a = 5

b = 6

c = -7

For finding roots of a quadratic equation we have 2 methods :

1) By FACTORISATION method

2) By quadratic formula method -

x = (-b ± √D)/2A

where D = b² - 4ac



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