49x^2-140x=-100

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Solution for 49x^2-140x=-100 equation:


Simplifying
49x2 + -140x = -100

Reorder the terms:
-140x + 49x2 = -100

Solving
-140x + 49x2 = -100

Solving for variable 'x'.

Reorder the terms:
100 + -140x + 49x2 = -100 + 100

Combine like terms: -100 + 100 = 0
100 + -140x + 49x2 = 0

Factor a trinomial.
(10 + -7x)(10 + -7x) = 0

Subproblem 1

Set the factor '(10 + -7x)' equal to zero and attempt to solve: Simplifying 10 + -7x = 0 Solving 10 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -7x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -7x = 0 + -10 -7x = 0 + -10 Combine like terms: 0 + -10 = -10 -7x = -10 Divide each side by '-7'. x = 1.428571429 Simplifying x = 1.428571429

Subproblem 2

Set the factor '(10 + -7x)' equal to zero and attempt to solve: Simplifying 10 + -7x = 0 Solving 10 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -7x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -7x = 0 + -10 -7x = 0 + -10 Combine like terms: 0 + -10 = -10 -7x = -10 Divide each side by '-7'. x = 1.428571429 Simplifying x = 1.428571429

Solution

x = {1.428571429, 1.428571429}

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