Obscure

(w+7)² = (w+7)(w+7)

{Use distributive property}: w(w + 7) + 7(w + 7)

Multiply: (w² + 7w) + (7w + 49)

Add Common Factors: (7w + 7w = 14w)

Simplify/Answer: w² + 14w + 49

{nl}(Why does it keep saying this when I edit?)

web2.0calc

2x + 3x = 2 * x + 3 * x = 5 * x = 5x

#x basically means # * x, because it is multiplying.

(_{I tried to help})

^{Its supposed to be}

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1.09¹⁶ = 1.09 × 1.09 × 1.09 × 1.09 × 1.09 × 1.09 × 1.09 × 1.09 × 1.09 × 1.09 × 1.09 × 1.09 × 1.09 × 1.09 × 1.09 × 1.09 = 3.97030588106