8z^2+cz+34=(4z+5)(2z+7)

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Solution for 8z^2+cz+34=(4z+5)(2z+7) equation:


Simplifying
8z2 + cz + 34 = (4z + 5)(2z + 7)

Reorder the terms:
34 + cz + 8z2 = (4z + 5)(2z + 7)

Reorder the terms:
34 + cz + 8z2 = (5 + 4z)(2z + 7)

Reorder the terms:
34 + cz + 8z2 = (5 + 4z)(7 + 2z)

Multiply (5 + 4z) * (7 + 2z)
34 + cz + 8z2 = (5(7 + 2z) + 4z * (7 + 2z))
34 + cz + 8z2 = ((7 * 5 + 2z * 5) + 4z * (7 + 2z))
34 + cz + 8z2 = ((35 + 10z) + 4z * (7 + 2z))
34 + cz + 8z2 = (35 + 10z + (7 * 4z + 2z * 4z))
34 + cz + 8z2 = (35 + 10z + (28z + 8z2))

Combine like terms: 10z + 28z = 38z
34 + cz + 8z2 = (35 + 38z + 8z2)

Add '-8z2' to each side of the equation.
34 + cz + 8z2 + -8z2 = 35 + 38z + 8z2 + -8z2

Combine like terms: 8z2 + -8z2 = 0
34 + cz + 0 = 35 + 38z + 8z2 + -8z2
34 + cz = 35 + 38z + 8z2 + -8z2

Combine like terms: 8z2 + -8z2 = 0
34 + cz = 35 + 38z + 0
34 + cz = 35 + 38z

Solving
34 + cz = 35 + 38z

Solving for variable 'c'.

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

Add '-34' to each side of the equation.
34 + -34 + cz = 35 + -34 + 38z

Combine like terms: 34 + -34 = 0
0 + cz = 35 + -34 + 38z
cz = 35 + -34 + 38z

Combine like terms: 35 + -34 = 1
cz = 1 + 38z

Divide each side by 'z'.
c = z-1 + 38

Simplifying
c = z-1 + 38

Reorder the terms:
c = 38 + z-1

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