ANSWER:
Set A : Square of Binomial
1. x²+10x+25
2.x²-6x+9
3.x²+14x+49
STEP BY STEP EXPLANATION:
1.(x+5)²
= (x+5)×(x+5)
= Use the foil method
= x²+5x+5x+25
Therefore the answer is x²+10x+25
2.(x-3)²
= (x-3)×(x-3)
= use the foil method
= x²-3x-3x+9
So the answer is x²-6x+9
3.(x+7)²
= (x+7)×(x+7)
= use the foil method
= x²+7x+7x+49
Therefore the answer is x²+14x+49
HOPE IT HELPS(•‿•)
