SOLUTION: x(x+3)+2(6x-5)=10

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Question 119656: x(x+3)+2(6x-5)=10

Answer by chitra(359) About Me  (Show Source):
You can put this solution on YOUR website!
The given expression is:

x%28x%2B3%29+%2B+2%286x-5%29+=+10

Using the distributive property, we get:

x%5E2+%2B+3x+%2B+12x+-+10+=+10

x%5E2+%2B+15x+-+10+-+10+=+0+

x%5E2+-+15x+-+20+=+0+

Using the quadratic formula, we find the value of x.

x+=+%2815+%2B-sqrt%28305%29%29%2F2