What is factor r^2+16r+63 ?

The solution to factor r^2+16r+63 is (r+7)(r+9)

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factor r^2+16r+63

factor

r^{2} + 16 r + 63

(r + 7) (r + 9)

Solution steps

r^{2} + 16 r + 63

Break the expression into groups

= (r^{2} + 7 r) + (9 r + 63)

Factor out

r

from

r^{2} + 7 r : r (r + 7)

Factor out

9

from

9 r + 63 : 9 (r + 7)

= r (r + 7) + 9 (r + 7)

Factor out common term

r + 7

= (r + 7) (r + 9)

(1 + x + y)^{2}

\frac{- 10}{8}

50 + 10 X^{0} + 7 + 2

∣ x + y i ∣^{2}