7x(x-1)+5x+4=7(x^2+10)

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Solution for 7x(x-1)+5x+4=7(x^2+10) equation:


Simplifying
7x(x + -1) + 5x + 4 = 7(x2 + 10)

Reorder the terms:
7x(-1 + x) + 5x + 4 = 7(x2 + 10)
(-1 * 7x + x * 7x) + 5x + 4 = 7(x2 + 10)
(-7x + 7x2) + 5x + 4 = 7(x2 + 10)

Reorder the terms:
4 + -7x + 5x + 7x2 = 7(x2 + 10)

Combine like terms: -7x + 5x = -2x
4 + -2x + 7x2 = 7(x2 + 10)

Reorder the terms:
4 + -2x + 7x2 = 7(10 + x2)
4 + -2x + 7x2 = (10 * 7 + x2 * 7)
4 + -2x + 7x2 = (70 + 7x2)

Add '-7x2' to each side of the equation.
4 + -2x + 7x2 + -7x2 = 70 + 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
4 + -2x + 0 = 70 + 7x2 + -7x2
4 + -2x = 70 + 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
4 + -2x = 70 + 0
4 + -2x = 70

Solving
4 + -2x = 70

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -2x = 70 + -4

Combine like terms: 4 + -4 = 0
0 + -2x = 70 + -4
-2x = 70 + -4

Combine like terms: 70 + -4 = 66
-2x = 66

Divide each side by '-2'.
x = -33

Simplifying
x = -33

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