solve x2-15×+50=0 by factorisation
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Answer:
5 or 10
Step-by-step explanation:
x2-15x+50=0
x2-5x-10x+50=0
x(x-5)-10(x-5)=0
(x-5)(x-10)=0.
Therefore,x-5=0
x=5
Therefore,x-10=0
x=10
The value of x can be 5 or 10 according to the conditions given.
The equation is solved using middle term factorisation.
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