Use the identityfind the following products.(2x + 5y) (2x + 3y) and (xyz – 4) (xyz – 2)
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Answer:
(4xsq.+6xy+10xy+15ysq.) (xyz sq.-2xyz-4xyz+8)
=(4xsq.+16xy+15ysq.) (xyz sq. -6xyz+8)
=4x power4 yzsq.-24xcubeyz+32xsq.
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Step-by-step explanation:
by putting the formula
(x+a)(x+b)=x^2+(a+b)x+(a×b)
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