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Solve by Factorisation 2x^(2)+3x-20=0
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2 votes
Solve by Factorisation 2x^(2)+3x-20=0

User Xuanzhui
by
3.5k points

2 Answers

5 votes

Answer:(-4;5/2)

So x =5/2

User Shiminsh
by
3.6k points
2 votes

Answer:

(-4 ; 5/2)

Explanation:

2x² + 3x - 20 = 0

2x² + 8x - 5x - 20 = 0

2x(x+4) - 5(x+4) = 0

(x+4)(2x-5) = 0

x+4 = 0

x = -4

2x - 5 = 0

2x = 5

x = 5/2

User Alex Kofman
by
3.8k points
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