What is factor y^2+2y-15 ?

The solution to factor y^2+2y-15 is (y-3)(y+5)

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factor y^2+2y-15

factor

y^{2} + 2 y - 15

(y - 3) (y + 5)

Solution steps

y^{2} + 2 y - 15

Break the expression into groups

= (y^{2} - 3 y) + (5 y - 15)

Factor out

y

from

y^{2} - 3 y : y (y - 3)

Factor out

5

from

5 y - 15 : 5 (y - 3)

= y (y - 3) + 5 (y - 3)

Factor out common term

y - 3

= (y - 3) (y + 5)

\frac{2 \cdot 4 ^{x + 1} + 4 ^{x}}{2 ^{2 x}}

- \frac{3}{2} (- 2)

\frac{80}{6}

\frac{80}{9}