New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 8 Factorisation of Algebraic Expressions Practice 6G Solution
Factorise:
(1) 2x2 + 11x + 15
(2) 6x2 + 17x + 5
(3) 3x2 + 11x + 10
(4) 5b2 + 16b + 3
(5) 3x2 + 13x + 12
(6) 2x2 + 17x + 21
(7) 15y2 + 16y + 4
(8) 6x2 – 17x + 12
(9) 4m2 + 7m – 2
SOLUTION Number 1 to 9:
(10) 2x2 – 7x – 15
(11) 5x2 – 16x + 3
(12) 6x2 – 17x + 12
(13) 5x2 + 9x – 18
(14) 3x2 – x – 4
(15) 8a2 + 18a – 5
(16) 8x2 – 73x + 9
(17) -2x2 + 5x + 42
(18) -12x2 – 35x – 18
(19) -2x2 – 15x – 7
SOLUTION Number 10 to 19:
(20) 30t2 + 39t – 9
(21) 15x4 – 10x3 – 25x2
(22) 14x3 – 57x2y – 27x2y
(23) -3x3 + 16x2 – 16x
(24) -4x4 – 4x3 + 15x2
(25) 56x3 + 15x2 – 56x
(26) 32x4 + 12x3y – 5x2y2
(27) 30m2 – 78mn + 36n2
SOLUTION Number 20 to 27:
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