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Solve x^2 + 3x = 28 {4,-7} {-4,7} { }
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5 votes
Solve x^2 + 3x = 28
{4,-7}
{-4,7}
{ }

Solve x^2 + 3x = 28 {4,-7} {-4,7} { }-example-1
User Luis Martin
by
7.1k points

1 Answer

4 votes
x^2 + 3x = 28
x^2 + 3x - 28 = 0

Factorise

(x+7)(x-4) = 0

x = -7 or x = 4

Therefore answer is,

4, -7
User Ajmal Jamil
by
6.6k points
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