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Factor the polynomial completely.-21a3 + 15a

Simplify. Write the answer with positive exponents.(x5)-3

Find the degree of the polynomial.13×4 + 8x4y – 1

Factor the polynomial completely.25×2 + 70x + 49

Factor the polynomial completely.64×2 + 112x + 49

Multiply.(2x + 9)2

Factor the polynomial completely.-21a3 + 12a

Factor the polynomial completely.-27a3 + 15a

Use the slope-intercept form of the linear equation to write the equation of the line with the given slope and y-intercept.Slope ; y-intercept (0, 7)

Solve the equation.x2 + 6x = 27