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30 x^2+7x-15...

`30 x^2+7x-15`

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2x^(2)-7x-15

Factorise: 2x^2-7x-15

factorize the given expression 2x^2-7x-15

Write the sum and the product of the zeros of the polynomials a) x^(2)+5x+6 b) 2x^(2)-7x-15

2x^2 + 7x - 15 = 0

Solve sqrt(3x^2 -7x -30) - sqrt(2 x^2 -7x-5) = x-5

Solve sqrt(3x^2 -7x -30) - sqrt(2 x^2 -7x-5) = x-5

The number of solutions of sqrt(3x^2 -7x -30) - sqrt(2 x^2 -7x-5) = x-5 is

Solve sqrt(3x^2 -7x -30) - sqrt(2 x^2 -7x-5) = x-5

Factorise (i) x^(2)+9x+18 (ii) 6x^(2)+7x-3 (iii) 2x^(2)-7x-15 (iv) 84-2r-2r^(2)