factorise 8b2 -22b+15
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Step-by-step explanation:
8b^2-22b+15=0
8b^2+12b+10b+15=0
4b(2b+3)+5(2b+3)
4b+5=0 or 2b+3=0
b=-5/4 or b=-3/2
Anonymous:
i think it is a right answer....
if it is wrong plz inform me......
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