To factorise the expression (25x + 15y), first identify the greatest common factor (GCF) of the coefficients 25 and 15, which is 5. Then, factor out the GCF from the expression:
[ 25x + 15y = 5(5x + 3y) ]
So, the factored form is (5(5x + 3y)).
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25x + 75 = 25*(x + 3)
Factorise to (x-1)(x-24)=0 then either x-1 = 0 or x-24 = 0 so x=1 or x=24
5x-15y = -10
15y^8 - 7y^3 = y^3(15y^5 - 7)
15y+14=2(5y+6) 15y+14=10y+12 15y+14-14=10y+12-14 15y=10y-2 15y-10y=10y-2-10y 5y=-2 y=-2/5