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Solve each quadratic equation. Show your work.x^2 + 3x = 10
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3 votes
Solve each quadratic equation. Show your work.x^2 + 3x = 10

User Laurencer
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1 Answer

5 votes
minus 10 both sides
x^2+3x-10=0
factor, find what 2 number multiply to get -10 and add to get 3
-5 and 2
(x-5)(x+2)=0
set equal to zero

x-5=0
x=5

x+2=0
x=-2

x=-2 and 5
User Barbee
by
7.5k points
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