factorise 4x2 +12x+ 9
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Answered by
20
Working note......
product = 4 × 9 = 36
factors of 36 = 2 × 2 × 3 × 3
make middle term by using these factors = (2 ×3) + (2×3) = 6 + 6 = 12
now solve it.....
4x^2 + 12x + 9
4x^2 + 6x + 6x + 9
2x(2x + 3) + 3(2x + 3)
(2x + 3) (2x + 3)
IF IT WILL BE HELPFUL
MARK IT AS BRAINLIEST
product = 4 × 9 = 36
factors of 36 = 2 × 2 × 3 × 3
make middle term by using these factors = (2 ×3) + (2×3) = 6 + 6 = 12
now solve it.....
4x^2 + 12x + 9
4x^2 + 6x + 6x + 9
2x(2x + 3) + 3(2x + 3)
(2x + 3) (2x + 3)
IF IT WILL BE HELPFUL
MARK IT AS BRAINLIEST
Answered by
48
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