Answer:
1. (m+9)²=(m+9)(m+9)=m²+18m+81
2. (2n-7)²=(2n-7)(2n-7)=4n²-28n+49
3. (a+3)(a-2)=a²+a-6
4. (b+8)(b+8)=b²+16b+64
Step-by-step explanation:
#carryonlearbing
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Answers & Comments
Answer:
1. (m+9)²=(m+9)(m+9)=m²+18m+81
2. (2n-7)²=(2n-7)(2n-7)=4n²-28n+49
3. (a+3)(a-2)=a²+a-6
4. (b+8)(b+8)=b²+16b+64
Step-by-step explanation:
#carryonlearbing