factorise 5b^2+6b-11
jackjack99:
zerors r b=1
b= 11/5
-11/5
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16b-11 is the ans i guess
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5b^2 + 6b -11
5b^2 + 11b - 5b -11
b ( 5b + 11 ) -1 ( 5b + 11)
(b-1) ( 5b +11) = 0
b - 1 =0. , 5b +11 = 0
b = 1 , b = -11/5
5b^2 + 11b - 5b -11
b ( 5b + 11 ) -1 ( 5b + 11)
(b-1) ( 5b +11) = 0
b - 1 =0. , 5b +11 = 0
b = 1 , b = -11/5
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