Question

Solve and give your answer correct to two significant figures ; 3x² – 5x - 9 = 0
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Answer 1

Answer:

anuj follow karo yrr.

answer pic me h.....

Answer 2

Answer:

quadratic formula

=−±2−4√2

x=\frac{-{\color{#e8710a}{b}} \pm \sqrt{{\color{#e8710a}{b}}^{2}-4{\color{#c92786}{a}}{\color{#129eaf}{c}}}}{2{\color{#c92786}{a}}}x=2a−b±b2−4ac

Once in standard form, identify a, b and c from the original equation and plug them into the quadratic formula.

32−5−9=0

3x^{2}-5x-9=03x2−5x−9=0

=3

a={\color{#c92786}{3}}a=3

=−5

b={\color{#e8710a}{-5}}b=−5

=−9

c={\color{#129eaf}{-9}}c=−9

=−(−5)±(−5)2−4⋅3(−9)√2⋅3