# Algebra

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Simplify:

2/x+5 + 4/x+3 times (x+3)(x+5)/(3x+13)

• Algebra -

I believe you mean (2/(x+5) + 4/(x+3))*(x+3)(x+5)/(3x+13)

Distribute the (x+3)(x+5)/(3x+13)

2(x+3)/(3x+13)+4(x+5)/(3x+13)

They have the same denominator, so you can add them:
(2(x+3)+4(x+5))/(3x+13)

Simplify the numerator:
(2x+6+4x+20)/(3x+13)
(6x+26)/(3x+13)

Divide by (3x+13):
2(3x+13)/(3x+13) = 2

• Algebra -

a^+14a-51=0

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