Question

6 x square - 5 x -21​

Answer 1

Answer:

By comparing with standard form of quadratic equation ax²+bx+c=0

a=6 b=-5 c=-21

Step-by-step explanation:

By factorisation

your full solution is In attachment

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Answer 2

Hey mate ...

Solution...

$6x{}^{2}-5x-21$

$6x{}^{2}-(14-9)x-21$

$6x{}^{2}-14x+9x-21$

$2x(3x-7)+3(3x-7)$

$(3x-7) (2x+3)$

For Zero's:-

3x-7=0

3x=7

$x=\frac{7}{3}$

2x+3=0

2x=-3

$x=\frac{-3}{2}$

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