(x+3)(x+3)=(x+3)2=(x)2+2×x×3+(3)2[Usingtheidentity(a+b)2=a2+2ab+b2]=x2+6x+9
Answer:
identity- (a+b)² = a²+2ab+b²
Step-by-step explanation:
((x+3)(x+3)
(x+3)²
x² +2×x×3+3²
x²+6x+9
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(x+3)(x+3)=(x+3)2=(x)2+2×x×3+(3)2[Usingtheidentity(a+b)2=a2+2ab+b2]=x2+6x+9
Verified answer
Answer:
identity- (a+b)² = a²+2ab+b²
Step-by-step explanation:
((x+3)(x+3)
(x+3)²
x² +2×x×3+3²
x²+6x+9