Question

x^2 - 11/4 * x + 15/8 = 0 solve using factorisation

Answer 1

STEP BY STEP EXPLANATION

$x {}^{2} - (11 \div 4)x + 15 \div 8 = 0 \\ multiply \: by \: 8 \: on \: both \: sides \\ 8x {}^{2} - 22x + 15 = 0 \\ 8x {}^{2} - (12 + 10)x + 15 = 0 \\ 8x {}^{2} - 12x - 10x + 15 = 0 \\ 4x(2x - 3) - 5(2x - 3) = 0 \\( 2x - 3)(4x - 5) = 0 \\ x = 3 \div 2 \: \: and \: x = 5 \div 4$

I HOPE THIS WILL HELP YOU....

Answer 2

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