Question

Multiply algebraically. Use algebra tiles to help. m(15 - m)

Solution

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Use the Distributive Property: a(b+c)=ab+aca(b+c)=ab+ac

m(15m)=m(15)m(m)m(15-m)=m(15)-m(m)

Use the Law of Exponent: aman=am+na^m\cdot a^n=a^{m+n}

=15mm1+1=15m-m^{1+1}

Simplify:

=15mm2(1)=\color{#c34632}15m-m^2\color{white}\tag{1}

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