factorise 2x^2-x-15
Answers
Answered by
2
Step-by-step explanation:
2x^2+x-15
=2x^2+(6-5)x-15
=2x^2+6x-5x-15
=2x(x+3)-5(x+3)
=(x+3)(2x-5)
please mark as brainlist answer.
Answered by
0
Step-by-step explanation:
2x²-x-15
2x²-6x+5x15=0
2x(x-3)+5(x-3)=0
(x-3)(2x+5)=0
x-3=0 or 2x+5=0
x=0 or x=-5/2
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