Question

factorise it
pls do it fast its urgent ​

Answer 1

GIVEn

y² + 5y + 25/4

Factories it

SOLUTIOn

we can write in this way also

→ y² + 5y + 25/4 = 0

→ 4y² + 20y + 25/4 = 0

→ 4y² + 20y + 25 = 0

→ 4y² + 10y + 10y + 25 = 0

→ 2y(2y + 5) + 5(2y + 5) = 0

→ (2y + 5)(2y + 5) = 0

Hence, (2y + 5) is the factor of the given polynomial

So,

→ 2y + 5 = 0

→ 2y = - 5

→ y = -5/2

And -5/2 is the zero of the given polynomial

Answer 2

Step-by-step explanation:

y =(-20-√800)/8=(-5-5√ 2 )/2= -6.036

y =(-20+√800)/8=(-5+5√ 2 )/2= 1.03625

Simplify ——

4 25

((y2) + 5y) - —— = 0

4 y2 + 5y (y2 + 5y) • 4

y2 + 5y = ——————— = —————————————

1 4 y2 + 5y = y • (y + 5) y • (y+5) • 4 - (25) 4y2 + 20y - 25

———————————————————— = ——————————————

4 4 4y2 + 20y - 25

—————————————— = 0

4