Question

a) m? + 15m + 56
b) p2 - 22p + 117
QC. Factorise the following expressions as difference of two square:
a) (3x - 4y)?
- (2x + 3y)2
b) 4(2a + 3b)2 - 49
QD. Factorise the following polynomials by taking out HCF:
a) 18a%b3-27a²b3 + 36a3b2 b) 14x3 + 21x4y - 28x2y2
QE. Show that:
a) (3a + 7)? - 840 = (3a - 7)2
b) (p - 4) * + 2pq = 3p2 +** q?
QF. Simplify the product and verify the product if x = 2​

Answer 1

Answer:

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