Question

factorise:z²+ 13z +40
plz hlp​

Answer 1

Step-by-step explanation:

z^2 + 13z + 40

z^2 + 8z + 5z + 40

z( z + 8) + 5( z + 8)

(z+5) (z+8)

Answer 2

Answer:

z^2 + 13z + 40

= z^2 + 8z+5z + 40

= z(z+8) +5(z+8)

= (z+8) (z+5)

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