Question

(xii) 6V3x2 + 7x = v3
by factorisation

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

=

−

±

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.

2

+

7

+

1

0

=

0

x^{2}+7x+10=0

x2+7x+10=0

=

1

a={\color{#c92786}{1}}

a=1

=

7

b={\color{#e8710a}{7}}

b=7

=

1

0

c={\color{#129eaf}{10}}

c=10

=

−

7

±

7

2

−

4

⋅

1

⋅