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4x2 +7x -2=0
oobleck
answered
2 years ago
2 years ago
Anonymous
answered
2 years ago
2 years ago
4x^2 + 7x - 2 = 0
well you can use the quadratic equation
x = [ -7 +/-sqrt (49 + 32) ] / 8
= [ -7 +/- 9 ] / 8
= -2 or 1/4
or factor
( x + 2)(4 x-1) = 0