y2+y-72 middle factor please do fast brother and sister
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here is the answer for this question
most correct answer
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Answer:
y = -8; y-9 ;
Step-by-step explanation:
y2 - 9y + 8y -72 = 0;
now taking y and 9 as common and making the similar factor;
y(y-9) + 8(y-9) = 0;
(y-9) ( y+8) = 0;
now equating both the factors with zero;
y-9 = 0;
y = 9; and y+8 = 0;
y = -8;
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