Question

factories 21 x square +4 x​

Answer 1

Answer:

x = 1/21 = -0.048

x = 2

Step-by-step explanation:

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Answer 2

Answer:

${21x}^{2} + 4 x\\ \\ = 21xx + 4x \\ \\ = x(21x + 4)$

Hope it helps you from my side