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debra
Find the product: (x + 10)^2
sum of squares ( a+b )^2 = ( a^ 2 + 2ab + b ^2 ) ( x + 10 ) ( x + 10 ) multiply the polynomial There is of course FOIL method first, outer, inner, last draw a happy face, at least it kinda looks happy . ............................. |-----|------/ | ( x + 10 ) ( x + 10 ) | -------- | \ _____________________ ? x^2 + 10x + 10x + 100 x^2 + 20x + 100