Question 776756: √5x^2+2x-3√5 find common fector by splliting middle term
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! √5x^2+2x-3√5 find common fector by splliting middle term
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AC = -15
B = 2
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Split B into 5-3
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Rewrite the quadratic as:::
sqrt(5)x^2 +5x -3x -3*sqrt(5)
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Factor:
sqrt(5)x[x+sqrt(5)] - 3[x+sqrt(5)]
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= (x+sqrt(5))(sqrt(5)x-3)
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Cheers,
Stan H.
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