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How do you expand 4(z+2) ? Sorry we had a sub in math and I was so lost...

How do you expand 4(z+2) ? Sorry we had a sub in math and I was so lost...
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How do you expand 4(z+2) ? Sorry we had a sub in math and I was so lost...

User Marcw
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4(z+2)\\\\use\ distributive\ property:a\cdot(b+c)=a\cdot b+a\cdot c\\\\4(z+2)=4\cdot z+4\cdot2=\boxed{4z+8}
User Pmcgrath
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