Math, asked by adeebarafat17, 5 months ago

factorise : (z^2+6z-91)

Answers

Answered by frenchfries20

2

Answer:

(z-7)(z+13)

Step-by-step explanation:

z²+6z-91

by splitting the middle term

z²+13z-7z-91

z(z+13)-7(z+13)

(z-7)(z+13)

hope it helps

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