Question

Factorise by splitting middle term (free points lads)

5z²-14z+9

Answer 1

5z^2 -14z+9=0

5z^2 -5z-9z+9=0

5z(z-1) -9(z-1) =0

(5z-9)(z-1) =0

z=1, 9/5

Answer 2

Hey mate,☺☺☺

Here is your answer...✨✨✨

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$5 {z}^{2} - 14z + 9$

$5 {z}^{2} - (5 + 9)z + 9$

$5 {z}^{2} - 5z - 9z + 9$

$5z(z - 1) - 9(z - 1)$

$(z - 1)(5z - 9)$

$z = 1 \: \: or \: \: z = 9 \div 5$

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Hope this will help you...✨✨✨

Keep Asking..✌✌✌

❤❤❤ If helps you, Mark my answer as Brainliest....❤❤❤