factorise 5x^2+6x-8
Answers
Answered by
13
Step-by-step explanation:
solve:.5x^2+6x-8
=5x^2+(10-4)x-8
=5x^2+10x-4x-8
=5x(x+2)-4 (x+2)
=(x+2)(5x-4)
a+b=6
ab=5×8=40
I hope it will help you mark me
Answered by
1
Answer:
Step-by-step explanation:
solve:.5x^2+6x-8
=5x^2+(10-4)x-8
=5x^2+10x-4x-8
=5x(x+2)-4 (x+2)
=(x+2)(5x-4)
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