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Igoryamba
3 years ago
7

Solve for x 14 x square+7x-6

Mathematics
2 answers:
irina [24]3 years ago
8 0

Answer:

x=0.450765 or x=−0.950765

Step-by-step explanation:

14x² + 7x - 6

→ Find the product, sum and factors

Product = -6

Sum = 7

Factors = No factors

→ Since there are no factors utilise the quadratic formula

\frac{-b+-\sqrt{b^{2}-4ac } }{2a}

→ List the values of a, b and c

a = 14

b = 7

c= -6

→ Substitute into the formula

\frac{-7+-\sqrt{7^{2}-4*14*-6} }{2*14}

→ Simplify

x=0.450765 or x=−0.950765

kompoz [17]3 years ago
7 0

Answer:

x=0.950 or -0.450

Step-by-step explanation:

14x^2+7x-6

using quadratic formula

x=-b+√b^2 -4ac/2a or x= -b-√b^2-4ac/2a

where b;7 ,a;14, c;-6

x=-7+√7^2-4(14)(-6)/2(14)

x=7+√49+336/28 or 7-√49+336/28

x=7+√385 /28 or 7-√385/28

x=7+19.621 /28 or 7-19.621 /28

x=26.621/28 or -12.621/28

x=0.950 or -0.450

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Answer:

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