2x^2+7x-a=0

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Solution for 2x^2+7x-a=0 equation:


Simplifying
2x2 + 7x + -1a = 0

Reorder the terms:
-1a + 7x + 2x2 = 0

Solving
-1a + 7x + 2x2 = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-7x' to each side of the equation.
-1a + 7x + -7x + 2x2 = 0 + -7x

Combine like terms: 7x + -7x = 0
-1a + 0 + 2x2 = 0 + -7x
-1a + 2x2 = 0 + -7x
Remove the zero:
-1a + 2x2 = -7x

Add '-2x2' to each side of the equation.
-1a + 2x2 + -2x2 = -7x + -2x2

Combine like terms: 2x2 + -2x2 = 0
-1a + 0 = -7x + -2x2
-1a = -7x + -2x2

Divide each side by '-1'.
a = 7x + 2x2

Simplifying
a = 7x + 2x2

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