2x^2+7x+10=(x+4)(x+4)

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


Simplifying
2x2 + 7x + 10 = (x + 4)(x + 4)

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

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

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

Multiply (4 + x) * (4 + x)
10 + 7x + 2x2 = (4(4 + x) + x(4 + x))
10 + 7x + 2x2 = ((4 * 4 + x * 4) + x(4 + x))
10 + 7x + 2x2 = ((16 + 4x) + x(4 + x))
10 + 7x + 2x2 = (16 + 4x + (4 * x + x * x))
10 + 7x + 2x2 = (16 + 4x + (4x + x2))

Combine like terms: 4x + 4x = 8x
10 + 7x + 2x2 = (16 + 8x + x2)

Solving
10 + 7x + 2x2 = 16 + 8x + x2

Solving for variable 'x'.

Reorder the terms:
10 + -16 + 7x + -8x + 2x2 + -1x2 = 16 + 8x + x2 + -16 + -8x + -1x2

Combine like terms: 10 + -16 = -6
-6 + 7x + -8x + 2x2 + -1x2 = 16 + 8x + x2 + -16 + -8x + -1x2

Combine like terms: 7x + -8x = -1x
-6 + -1x + 2x2 + -1x2 = 16 + 8x + x2 + -16 + -8x + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
-6 + -1x + 1x2 = 16 + 8x + x2 + -16 + -8x + -1x2

Reorder the terms:
-6 + -1x + 1x2 = 16 + -16 + 8x + -8x + x2 + -1x2

Combine like terms: 16 + -16 = 0
-6 + -1x + 1x2 = 0 + 8x + -8x + x2 + -1x2
-6 + -1x + 1x2 = 8x + -8x + x2 + -1x2

Combine like terms: 8x + -8x = 0
-6 + -1x + 1x2 = 0 + x2 + -1x2
-6 + -1x + 1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-6 + -1x + 1x2 = 0

Factor a trinomial.
(-2 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-2, 3}

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