Question

factorise 2x^2-7x-15=0​

Answer 1

STEP BY STEP EXPLANATION

GIVEN:

${2x \: }^{2} - 7x - 1}5$

${2x}^{2} - 10x + 3x - 15 = 0 \\ 2x(x - 5) + 3(x - 5) = 0 \\( 2x + 3)(x - 5) = 0 \\ 2x + 3 = 0. = > x = - 3 \div 2 \\ x - 5 = 0. = > x = 5$

Answer 2

Answer: x = 5

or. x = -3÷2

Step-by-step explanation: