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(a-2)(b+5)=(a-2)b+(a-2)5 equation

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Numerical solution:

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The solution

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(a - 2)*(b + 5) = (a - 2)*b + (a - 2)*5
$$\left(a - 2\right) \left(b + 5\right) = b \left(a - 2\right) + 5 \left(a - 2\right)$$
The graph
Sum and product of roots [src]
sum
0
$$0$$
=
0
$$0$$
product
1
$$1$$
=
1
$$1$$
1