Solve the quadratic: -4x^2 – 15x + 4 = 0

ediculeN

ediculeN

Answered question

2020-12-30

Solve the quadratic: 4x215x+4=0

Answer & Explanation

Willie

Willie

Skilled2020-12-31Added 95 answers

The quadratic formula used for quadratic equation ax2+bx+c=0 is,
x=b±b24ac2a
Here, a=-4, b=-15 ,c=4 therefore
x1,2=(15)±(15)24(4)42(4)
x1,2=(15±2898
x1,2=15±178
x1=15+178
x1=328
x1=4
and x2=15178
x2=28
x2=14
Thus, the solutions of quadratic equation are -4 and 14

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