(2y+4) (2y+5) solve this
Answers
Answered by
0
Answer:
4y +20
Explanation:
(2y +4)×(2y+5)
=(2y×2y) + (4×5)
= 4y + 20
Answered by
0
Answer:
2y^2 + 10y +8y +20 =0
2y^2 + 18y + 20 =0
divide throughout by 2
y^2 + 9y + 10 =0
comparing with ax^2 + bx +c =0
a=1. b=9. c= 10
y = -b+√b^2 -4 a c
---------------------
2a
= -9 +√41
-------------
2
is the solution.
MARK ME AS BRAINLIEST..
Similar questions