m^2+9m+7=-5+9(-5)+7

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Solution for m^2+9m+7=-5+9(-5)+7 equation:


Simplifying
m2 + 9m + 7 = -5 + 9(-5) + 7

Reorder the terms:
7 + 9m + m2 = -5 + 9(-5) + 7

Multiply 9 * -5
7 + 9m + m2 = -5 + -45 + 7

Combine like terms: -5 + -45 = -50
7 + 9m + m2 = -50 + 7

Combine like terms: -50 + 7 = -43
7 + 9m + m2 = -43

Solving
7 + 9m + m2 = -43

Solving for variable 'm'.

Reorder the terms:
7 + 43 + 9m + m2 = -43 + 43

Combine like terms: 7 + 43 = 50
50 + 9m + m2 = -43 + 43

Combine like terms: -43 + 43 = 0
50 + 9m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-50' to each side of the equation.
50 + 9m + -50 + m2 = 0 + -50

Reorder the terms:
50 + -50 + 9m + m2 = 0 + -50

Combine like terms: 50 + -50 = 0
0 + 9m + m2 = 0 + -50
9m + m2 = 0 + -50

Combine like terms: 0 + -50 = -50
9m + m2 = -50

The m term is 9m.  Take half its coefficient (4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
9m + 20.25 + m2 = -50 + 20.25

Reorder the terms:
20.25 + 9m + m2 = -50 + 20.25

Combine like terms: -50 + 20.25 = -29.75
20.25 + 9m + m2 = -29.75

Factor a perfect square on the left side:
(m + 4.5)(m + 4.5) = -29.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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