h(x)=(x-5)(x+4)

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Solution for h(x)=(x-5)(x+4) equation:


Simplifying
h(x) = (x + -5)(x + 4)

Multiply h * x
hx = (x + -5)(x + 4)

Reorder the terms:
hx = (-5 + x)(x + 4)

Reorder the terms:
hx = (-5 + x)(4 + x)

Multiply (-5 + x) * (4 + x)
hx = (-5(4 + x) + x(4 + x))
hx = ((4 * -5 + x * -5) + x(4 + x))
hx = ((-20 + -5x) + x(4 + x))
hx = (-20 + -5x + (4 * x + x * x))
hx = (-20 + -5x + (4x + x2))

Combine like terms: -5x + 4x = -1x
hx = (-20 + -1x + x2)

Solving
hx = -20 + -1x + x2

Solving for variable 'h'.

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

Divide each side by 'x'.
h = -20x-1 + -1 + x

Simplifying
h = -20x-1 + -1 + x

Reorder the terms:
h = -1 + -20x-1 + x

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