Question 194574
Find the x intercepts
f(x)=2x^2 +8x-42
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Let y = 0
2x^2 + 8x - 42 = 0
2(x^2 + 4x - 21) = 0
Factor:
2(x+7)(x-3) = 0
x = -7 or x = 3
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Cheers,
Stan H.