What is expand (5x^2-4)(3x^2-7) ?

The solution to expand (5x^2-4)(3x^2-7) is 15x^4-47x^2+28

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expand (5x^2-4)(3x^2-7)

expand

(5 x^{2} - 4) (3 x^{2} - 7)

15 x^{4} - 47 x^{2} + 28

Solution steps

(5 x^{2} - 4) (3 x^{2} - 7)

Apply FOIL method

(5 x^{2} - 4) (3 x^{2} - 7) : 15 x^{4} - 47 x^{2} + 28

= 15 x^{4} - 47 x^{2} + 28

\frac{17}{4} - \frac{11}{5}

(x - 1) x^{2} + 1

2.6 + 4 - \frac{1}{3}

\frac{5}{3 + 2}

16 \div 2 \frac{2}{3}

What is expand (5x^2-4)(3x^2-7) ?
The solution to expand (5x^2-4)(3x^2-7) is 15x^4-47x^2+28