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
We have, 10ab + 4a = 2a(5b + 2)and (5b + 2) = 1(5b + 2)
∴ 10ab + 4a + 5b + 2 = 2a(5b + 2) + 1 (5b + 2) = (5b + 2)[2a + 1]
Factorise the expressions.6xy - 4y + 6 - 9x
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