16a^2-70a+49=0

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Solution for 16a^2-70a+49=0 equation: 


Simplifying
16a2 + -70a + 49 = 0

Reorder the terms:
49 + -70a + 16a2 = 0

Solving
49 + -70a + 16a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(7 + -8a)(7 + -2a) = 0


Subproblem 1
Set the factor '(7 + -8a)' equal to zero and attempt to solve:

Simplifying
7 + -8a = 0

Solving
7 + -8a = 0

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

Add '-7' to each side of the equation.
7 + -7 + -8a = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -8a = 0 + -7
-8a = 0 + -7

Combine like terms: 0 + -7 = -7
-8a = -7

Divide each side by '-8'.
a = 0.875

Simplifying
a = 0.875

Subproblem 2
Set the factor '(7 + -2a)' equal to zero and attempt to solve:

Simplifying
7 + -2a = 0

Solving
7 + -2a = 0

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

Add '-7' to each side of the equation.
7 + -7 + -2a = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -2a = 0 + -7
-2a = 0 + -7

Combine like terms: 0 + -7 = -7
-2a = -7

Divide each side by '-2'.
a = 3.5

Simplifying
a = 3.5
Solution
a = {0.875, 3.5}

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