factorise 7xsquare-19x-6
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Answered by
5
Answer:
x =3 or x = -2 /7
Step-by-step explanation:
7x^2 - 19x -6 = 7x^2 -21x+2x -6
= 7x(x-3) +2(x-3) = 0
⇒(x-3)(7x +2) = 0
⇒ x-3 =0 or 7x +2 =0
⇒ x =3 or x = -2 /7
Answered by
0
Answer:
Step-by-step explanation:
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