Factorise ;;; 12(x^{2} +7)^{2} -8(x^{2} +7)(2x-1)-15(2x-1)^{2}
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1
Answer:
2x+1=0
2x=-1
x=-1/2
p(x)=2x-4x+5
p(-1/2)=2(-1/2)-4(-1/2)+5
p(-1/2)=-1-2+5
=3+5
=8
Step-by-step explanation:
mohamedastral:
i think wrong
Answered by
2
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hope it helps
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