3x^2+4x^2+bx-2=

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Solution for 3x^2+4x^2+bx-2= equation:


Simplifying
3x2 + 4x2 + bx + -2 = 0

Reorder the terms:
-2 + bx + 3x2 + 4x2 = 0

Combine like terms: 3x2 + 4x2 = 7x2
-2 + bx + 7x2 = 0

Solving
-2 + bx + 7x2 = 0

Solving for variable 'b'.

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

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

Reorder the terms:
-2 + 2 + bx + 7x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + bx + 7x2 = 0 + 2
bx + 7x2 = 0 + 2

Combine like terms: 0 + 2 = 2
bx + 7x2 = 2

Add '-7x2' to each side of the equation.
bx + 7x2 + -7x2 = 2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
bx + 0 = 2 + -7x2
bx = 2 + -7x2

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

Simplifying
b = 2x-1 + -7x

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