Question

factorise
$6 + 7b - 3b ^{2}$
​

Answer 1

Answer:

6+7b-3b²

6+2b-9b-3b²

2(3+b)-3b(3+b)

(b+3)(2-3b)

Answer 2

Answer:

X = -3 or -2/3

Step-by-step explanation:

a = -3 , b = 7 , c = 6

D = b² - 4ac

D= 7² - 4 (-3) (6)

D= 121

b = ( √D ± b ) / 2a

b = ( 11 ± 7 ) / 2a

b = -3 or -2/3

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