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OpenStudy (anonymous):
13. Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. X^2+3= -4x
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OpenStudy (anonymous):
a.1, 3 b. –1, –3 c. 1, –3 d. 1, –3
jhonyy9 (jhonyy9):
x^2 +4x +3 =0 (x+3)(x+1)=0 so here is factorized after this can you solve it easy ,yes ?
OpenStudy (anonymous):
@jhonyy9 , they said to use the quadratic formula. @bubble1860 , the solutions to \(0=ax^2+bx+c\) are given by the quadratic formula as follows.\[x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\]
jhonyy9 (jhonyy9):
yes is right but in this way is more ,much easy ...
OpenStudy (anonymous):
The question asks to use the quadratic formula.
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