(3x-1)(5x+4)-15xsquared=17

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Solution for (3x-1)(5x+4)-15xsquared=17 equation:


Simplifying
(3x + -1)(5x + 4) + -15xsquared = 17

Reorder the terms:
(-1 + 3x)(5x + 4) + -15xsquared = 17

Reorder the terms:
(-1 + 3x)(4 + 5x) + -15xsquared = 17

Multiply (-1 + 3x) * (4 + 5x)
(-1(4 + 5x) + 3x * (4 + 5x)) + -15xsquared = 17
((4 * -1 + 5x * -1) + 3x * (4 + 5x)) + -15xsquared = 17
((-4 + -5x) + 3x * (4 + 5x)) + -15xsquared = 17
(-4 + -5x + (4 * 3x + 5x * 3x)) + -15xsquared = 17
(-4 + -5x + (12x + 15x2)) + -15xsquared = 17

Combine like terms: -5x + 12x = 7x
(-4 + 7x + 15x2) + -15xsquared = 17

Reorder the terms:
-4 + -15adeqrsux + 7x + 15x2 = 17

Solving
-4 + -15adeqrsux + 7x + 15x2 = 17

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + -15adeqrsux + 7x + 4 + 15x2 = 17 + 4

Reorder the terms:
-4 + 4 + -15adeqrsux + 7x + 15x2 = 17 + 4

Combine like terms: -4 + 4 = 0
0 + -15adeqrsux + 7x + 15x2 = 17 + 4
-15adeqrsux + 7x + 15x2 = 17 + 4

Combine like terms: 17 + 4 = 21
-15adeqrsux + 7x + 15x2 = 21

Add '-7x' to each side of the equation.
-15adeqrsux + 7x + -7x + 15x2 = 21 + -7x

Combine like terms: 7x + -7x = 0
-15adeqrsux + 0 + 15x2 = 21 + -7x
-15adeqrsux + 15x2 = 21 + -7x

Add '-15x2' to each side of the equation.
-15adeqrsux + 15x2 + -15x2 = 21 + -7x + -15x2

Combine like terms: 15x2 + -15x2 = 0
-15adeqrsux + 0 = 21 + -7x + -15x2
-15adeqrsux = 21 + -7x + -15x2

Divide each side by '-15deqrsux'.
a = -1.4d-1e-1q-1r-1s-1u-1x-1 + 0.4666666667d-1e-1q-1r-1s-1u-1 + d-1e-1q-1r-1s-1u-1x

Simplifying
a = -1.4d-1e-1q-1r-1s-1u-1x-1 + 0.4666666667d-1e-1q-1r-1s-1u-1 + d-1e-1q-1r-1s-1u-1x

Reorder the terms:
a = 0.4666666667d-1e-1q-1r-1s-1u-1 + -1.4d-1e-1q-1r-1s-1u-1x-1 + d-1e-1q-1r-1s-1u-1x

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