please help me in solving this question
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Step-by-step explanation:
b) (x-10)(x+5)=x^2+5x-10x-50
=x^2-5x-50
c) (x+6)(x-12)=x^2-12x+6x-72
=x^2-6x-72
d) (x-7)(x-7)=(x-7)^2=x^2-14x+49
e) (x-15)(x-10)= x^2-10x-15x+150
=x^2-25x+150
hope it helps you..
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