Expand (x-5)(2x-3)
(x-5)(2x-3)= 2x2 -3x-10x+15
= 2x2 -13x + 15
SS
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Simplify p^2×p^5
There are n sweets in a bag. 6 of the sweets are orange. The rest of the sweets are yellow. Hannah takes a sweet from the bag and eats it. Hannah then takes at another sweet. The probability that Hannah eats two orange sweets is 1/3. Show that n²-n-90=0