What is factor y^2+5y-84 ?

The solution to factor y^2+5y-84 is (y-7)(y+12)

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factor y^2+5y-84

factor

y^{2} + 5 y - 84

(y - 7) (y + 12)

Solution steps

y^{2} + 5 y - 84

Break the expression into groups

= (y^{2} - 7 y) + (12 y - 84)

Factor out

y

from

y^{2} - 7 y : y (y - 7)

Factor out

12

from

12 y - 84 : 12 (y - 7)

= y (y - 7) + 12 (y - 7)

Factor out common term

y - 7

= (y - 7) (y + 12)

\frac{1}{3} + \frac{1}{5} + \frac{1}{7}

\frac{12 60}{6 5}

- \frac{4}{3}

\frac{7}{4} + \frac{5}{4}

\frac{1}{( x - 2 )} - \frac{1}{( x + 1 )}