Find the product of the following. 1.(×+2)(×+7)=____________ 2.(7×-8y)(3×+5y)=________ 3.(3×-1)(3×+1)=___________ 4.(4×y+3z3)(4×y-3z3)=_______ 5.(×-4)2=___________
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Find the product of the following. 1.(×+2)(×+7)=____________ 2.(7×-8y)(3×+5y)=________ 3.(3×-1)(3×+1)=___________ 4.(4×y+3z3)(4×y-3z3)=_______ 5.(×-4)2=___________
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Answer:
1.=x2+9x+14
2.=-840y2
3.=-9
4.=16y2-81z2
5.=2x-8