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To find the Adding and Subtracting There is a simple formula i.e (-b/2a)² in eq ax² + bx + c = 0
This can be done as follows:
As we know that ax² + bx + c = 0 is the standard quadratic equation.
1) Move 'c' to other side.
2) Add and subtract (-b/2a)² on the equation.
In 9x² + 3/4x - √2 = 0
(3x)² + 3/4x = √2
=(-b/2a)²
=(-3/4 ÷ 1/2(3))²
=(-1/8)²
=1/64
Hence 1/64 should be added and subtracted.
:) Hope this Helps!!!
This can be done as follows:
As we know that ax² + bx + c = 0 is the standard quadratic equation.
1) Move 'c' to other side.
2) Add and subtract (-b/2a)² on the equation.
In 9x² + 3/4x - √2 = 0
(3x)² + 3/4x = √2
=(-b/2a)²
=(-3/4 ÷ 1/2(3))²
=(-1/8)²
=1/64
Hence 1/64 should be added and subtracted.
:) Hope this Helps!!!
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