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Show all steps solving this 2x^2=13x+7

User Monasha
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1 Answer

4 votes

Answer:

x = -1/2, 7

Explanation:

2x^2 = 13x + 7

bring everything to one side: 2x^2 - 13x - 7 = 0

factor it out: 2x1 = 2 and -7x1 = -7.

-7x2 = -14 and 1x1 = 1

-14 + 1 = -13, so these numbers work

you end up with (2x + 1)(x - 7) = 0

solve each section:

2x + 1 = 0 x - 7 = 0

2x = -1 x = 7

x = -1/2

User Mangokun
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