Factorise:25a2 - 4b2 + 28bc - 49c2
Factorise the expressions.ax2 + bx
Factorise the expressions.7p2 + 21q2
Factorise the expressions.2x3 + 2xy2 + 2xz2
Factorise the expressions.am2 + bm2 + bn2 + an2
Factorise the expressions.(lm + l) + m + 1
Factorise the expressions.y(y + z) + 9(y + z)
Factorise the expressions.5y2 - 20y - 8z + 2yz
Factorise the expressions.10ab + 4a + 5b + 2
Factorise the expressions.6xy - 4y + 6 - 9x
Regrouping the terms, we have 6xy - 4y + 6 - 9x = 6xy - 4y - 9x + 6 = 2y[3x - 2] - 3[3x - 2] = (3x - 2)[2y - 3]
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