8. Solve: (y - 5)(y - 4) - (y + 2)(y - 3) = 50. please help
Answers
Answered by
1
Step-by-step explanation:
y²-4y-5y+20-[y²-3y+2y-6]=50
y²-9y+20-[y²-y-6]=50
y²-9y+20-y²+y+6=50
-8y+26-50=0
-8y-24=0
-8(y+3)=0
y=-3
Answered by
0
Answer:
Step-by-step explanation:
y^2 - 5y - 4y + 20 - ( y^2 - 3y + 2y - 6) = 50
y^2 - 9y + 20 - y^2 + y + 6 = 50
- 8y + 26 = 50
- 8y = 50 - 26
- 8y = 24
y = -24/8
y = -3
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