Question

- (a) -a² + 2a + 35 (c) 4c? + 10c + 4 (e) 8f2 + 4f - 60 (g) 30 + 14k - 4k? (b) –3b2 + 76b – 25 (d) 5ď – 145d + 600 (f) 24h2 – 15h-9 (h) 35mºn + 5mn – 30n -​

Answer 1

Answer:

given 30 +14k-4k*2

Step-by-step explanation:

now arranging the quadratic eq - -4k*2+14k +30=0 now taking -commom

-{4k*2 -14k-30}=0. 4k*2 -14k-30=0. ,4k*2-20k+6k-30=0,4k{k-5}+6{k-5};=0, {4k+6}k-5}=0, 4k+6=0,k=-6/4=-3/2 or k-5=0 then k=5