yx^3+bx^2+1=(x^2-x-1)(a)

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Solution for yx^3+bx^2+1=(x^2-x-1)(a) equation:


Simplifying
yx3 + bx2 + 1 = (x2 + -1x + -1)(a)

Reorder the terms:
1 + bx2 + x3y = (x2 + -1x + -1)(a)

Reorder the terms:
1 + bx2 + x3y = (-1 + -1x + x2)(a)

Reorder the terms for easier multiplication:
1 + bx2 + x3y = a(-1 + -1x + x2)
1 + bx2 + x3y = (-1 * a + -1x * a + x2 * a)
1 + bx2 + x3y = (-1a + -1ax + ax2)

Solving
1 + bx2 + x3y = -1a + -1ax + ax2

Solving for variable 'b'.

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

Add '-1' to each side of the equation.
1 + bx2 + -1 + x3y = -1a + -1ax + -1 + ax2

Reorder the terms:
1 + -1 + bx2 + x3y = -1a + -1ax + -1 + ax2

Combine like terms: 1 + -1 = 0
0 + bx2 + x3y = -1a + -1ax + -1 + ax2
bx2 + x3y = -1a + -1ax + -1 + ax2

Reorder the terms:
bx2 + x3y = -1 + -1a + -1ax + ax2

Add '-1x3y' to each side of the equation.
bx2 + x3y + -1x3y = -1 + -1a + -1ax + ax2 + -1x3y

Combine like terms: x3y + -1x3y = 0
bx2 + 0 = -1 + -1a + -1ax + ax2 + -1x3y
bx2 = -1 + -1a + -1ax + ax2 + -1x3y

Divide each side by 'x2'.
b = -1x-2 + -1ax-2 + -1ax-1 + a + -1xy

Simplifying
b = -1x-2 + -1ax-2 + -1ax-1 + a + -1xy

Reorder the terms:
b = a + -1ax-2 + -1ax-1 + -1x-2 + -1xy

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