Use the quadratic formula to solve the equation 4x^2+x-9=0

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Step-by-step explanation:

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x = (-1 ± )/8

Step-by-step explanation:

Quadratic formula: x = (-b ± )/(2a)  

4x² + x - 9 = 0 ; General form of a quadratic is ax² +bx + c = 0

So a = 4, b = 1, and c = -9

x = -1 ± / 2(4)

x = -1 ± /8

x = -1 ± /8

x = (-1 + )/8    or x = (-1 - )/8

took the test it's 94

y = i/2 xtnop + (3i/2 tnop+ 1)

step-by-step explanation:

the picture is the step by step explanation.