dangla12 dangla12

31-01-2017
Mathematics

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what is 4x2 -17x-15=0 using the quadratic formula

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Tomathon101 Tomathon101

31-01-2017

the answer is (4x + 3)(x - 5) so 4x = -3 => x = -3/4 or x = 5
i cant write out the formula on here but in words its -b + or - the square root of b squared minus 4ac all over 2a

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